US Patent Class 423
CHEMISTRY OF INORGANIC COMPOUNDS




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Current as of: June, 1999
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  DF  CLASS NOTES
700  DF  ZEOLITE
701  DF  .~ Organic compound used to form zeolite
702  DF  .~.~ Organic template used
703  DF  .~.~.~ Mixed template
704  DF  .~.~.~ Nitrogen containing
705  DF  .~.~.~.~ Amine
706  DF  .~.~.~.~.~ Cyclic
707  DF  .~.~.~.~.~ Hydroxyl
708  DF  .~.~.~.~.~ Diamine
709  DF  .~ Seed used
710  DF  .~ Aging to induce zeolite formation from inorganic mixture
711  DF  .~.~ With physical treatment
712  DF  .~ Synthesized from naturally occurring product
713  DF  .~ Isomorphic metal substitution
714  DF  .~.~ Acid treatment
715  DF  .~.~.~ Halogen containing acid
716  DF  .~ With change of synthesized zeolite morphology
717  DF  .~.~ Physical treatment
718  DF  .~ Structure defined X-ray diffraction pattern
1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND
2  DF  .~ Radioactive metal (At. No. 84+ or radioactive isotope of another metal)
3  DF  .~.~ Actinide series metal (At. No. 89+)
4  DF  .~.~.~ Removing cladding or coating from fuel element
5  DF  .~.~.~ Fusing
6  DF  .~.~.~ Ion exchanging or sorbing
7  DF  .~.~.~.~ Organic synthetic resin
8  DF  .~.~.~ Liquid-liquid extracting
9  DF  .~.~.~.~ Organo-nitrogen solvent
10  DF  .~.~.~.~ Organo-phosphorus solvent
11  DF  .~.~.~ Forming insoluble substance in liquid
12  DF  .~.~.~.~ By coprecipitating with carrier
13  DF  .~.~.~.~.~ Carrier contains bismuth
14  DF  .~.~.~.~.~ Carrier contains lanthanum
15  DF  .~.~.~.~ Forming compound containing plural metals or metal and ammonium
16  DF  .~.~.~.~ Forming peroxide (e.g., U04, etc.)
17  DF  .~.~.~.~ Carbonate leaching
18  DF  .~.~.~.~ Acid leaching
19  DF  .~.~.~ Volatizing
20  DF  .~.~.~ Acid leaching
21.1  DF  .~ Rare earth metal (At. No. 21, 39, or 57-71)
21.5  DF  .~.~ Ion exchanging or liquid-liquid extracting
22  DF  .~ Platinum group metal (Ru, Rh, Pd, Os, Ir, or Pt)
23  DF  .~ Group IB metal (Cu, Ag, or Au)
24  DF  .~.~ Ion exchanging or liquid-liquid extracting
25  DF  .~.~ Sorbing or magnetic separating
26  DF  .~.~ Flotation
27  DF  .~.~ Leaching, washing, or dissolving
28  DF  .~.~.~ Specified particle size
29  DF  .~.~.~ With a cyanide compound
30  DF  .~.~.~.~ And pressurizing
31  DF  .~.~.~.~ And agitating
32  DF  .~.~.~ With ammonia or ammonium containing compound
33  DF  .~.~.~.~ Specified temperature
34  DF  .~.~.~ Forming insoluble substance in liquid
35  DF  .~.~.~.~ Forming oxide or carbonate
36  DF  .~.~.~.~ Sulfating
37  DF  .~.~.~.~ Sulfiding
38  DF  .~.~.~ Halogenating
39  DF  .~.~.~.~ Specified temperature
40  DF  .~.~.~.~ With chlorine gas or chlorinated water
41  DF  .~.~.~ Sulfating
42  DF  .~.~ Forming insoluble substance in liquid
43  DF  .~.~.~ Specified pH
44  DF  .~.~ Volatizing copper, silver, or gold
45  DF  .~.~ Sulfating
46  DF  .~.~ Halogenating
47  DF  .~.~ Desulfurizing or de-arsenating
48  DF  .~.~ Forming sulfide or matte
49  DF  .~ Group VIIB metal (Mn, Tc, or Re)
50  DF  .~.~ Forming insoluble substance in liquid
51  DF  .~.~.~ Halogenating
52  DF  .~.~.~ Sulfating
53  DF  .~ Group VIB metal (Cr, Mo, or W)
54  DF  .~.~ Ion exchanging or liquid-liquid extracting
55  DF  .~.~ Forming insoluble substance in liquid
56  DF  .~.~.~ Ammoniating or nitrating
57  DF  .~.~.~ Sulfating
58  DF  .~.~.~ Forming compound containing plural metals
59  DF  .~.~ Volatizing
60  DF  .~.~.~ As a compound containing chlorine
61  DF  .~.~ Forming compound containing plural metals
62  DF  .~ Group VB metal (V, Nb, or Ta)
63  DF  .~.~ Ion exchanging or liquid-liquid extracting
64  DF  .~.~ From organic liquids
65  DF  .~.~ Forming insoluble substance in liquid
66  DF  .~.~.~ Hydroxylating or hydrating
67  DF  .~.~.~ Ammoniating or sulfating
68  DF  .~.~ Leaching, washing, or dissolving
69  DF  .~ Group IVB metal (Ti, Zr, or Hf)
70  DF  .~.~ Ion exchanging or liquid-liquid extracting
71  DF  .~.~ Forming compound containing plural metals
72  DF  .~.~.~ Halogen containing
73  DF  .~.~ Separating Group IVB metals from each other
74  DF  .~.~ Utilizing fluidized bed
75  DF  .~.~ Volatizing
76  DF  .~.~.~ Titanium, zirconium, or hafnium
77  DF  .~.~.~.~ Removing undesirable matter from vapor
78  DF  .~.~.~.~ Specified physical form of feed solids
79  DF  .~.~.~.~ Contacting feed solids with chlorine gas
80  DF  .~.~ Chemically converting for physical solid-solid separation
81  DF  .~.~ Treating with nitrogen or nitrogenous compound
82  DF  .~.~ Treating with sulfur or halogen containing acid
83  DF  .~.~.~ Forming metallic iron or insoluble iron containing compound
84  DF  .~.~ Treating with compound containing alkali metal or alkaline earth metal
85  DF  .~.~ Forming insoluble compound containing Group IVB metal
86  DF  .~.~ Dissolving or leaching of iron
87  DF  .~ Group VA metal or arsenic (Sb, Bi, or As)
88  DF  .~.~ Volatizing
89  DF  .~ Group IVA metal (Ge, Sn, or Pb)
90  DF  .~.~ Detinning
91  DF  .~.~.~ Treating with free halogen or hydrogen halide
92  DF  .~.~ Forming insoluble substance in liquid
93  DF  .~.~.~ Pressurizing or agitating during reaction
94  DF  .~.~.~ Halogenating
95  DF  .~.~.~ Nitrating or sulfating
96  DF  .~.~ Volatizing germanium or tin
97  DF  .~.~ Volatizing lead
98  DF  .~.~ Leaching, washing, or dissolving
99  DF  .~ Group IIB metal (Zn, Cd, or Hg)
100  DF  .~.~ Ion exchanging or magnetic separating
101  DF  .~.~ Forming insoluble substance in liquid
102  DF  .~.~.~ Agitating during reaction
103  DF  .~.~.~ Halogenating
104  DF  .~.~.~ Hydroxylating or hydrating
105  DF  .~.~.~ Carbonating
106  DF  .~.~.~ Sulfating
107  DF  .~.~ Volatizing zinc, cadmium, or mercury
108  DF  .~.~.~ Mixture contains lead
109  DF  .~.~ Leaching, washing, or dissolving
110  DF  .~.~ Desulfurizing
111  DF  .~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be)
112  DF  .~.~ Ion exchanging or liquid-liquid extracting
113  DF  .~.~ Magnetic separating
114  DF  .~.~ Forming compound containing ammonium and metal
115  DF  .~.~ Forming compound containing plural metals
116  DF  .~.~.~ And halogen
117  DF  .~.~.~ And sulfur
118.1  DF  .~.~.~ Aluminosilicate other than zeolite
119  DF  .~.~.~ Alkali metal aluminate
120  DF  .~.~.~.~ From alunite
121  DF  .~.~.~.~ From bauxite
122  DF  .~.~ Forming insoluble substance in liquid
123  DF  .~.~.~ Subjecting mixture to pressure, vacuum, or steam
124  DF  .~.~.~ Agitating during reaction
125  DF  .~.~.~ Nitrating
126  DF  .~.~.~ Halogenating
127  DF  .~.~.~ Hydroxylating or hydrating
128  DF  .~.~.~ Sulfating
129  DF  .~.~.~ Carbonating
130  DF  .~.~ Destroying or separating organic impurity
131  DF  .~.~ Leaching, washing, or dissolving
132  DF  .~.~.~ With acid
133  DF  .~.~ Volatizing
134  DF  .~.~.~ Beryllium
135  DF  .~.~.~ Group IIIA metal
136  DF  .~.~.~.~ Utilizing elemental halogen as reactant
137  DF  .~.~ Utilizing carbon as reducing agent
138  DF  .~ Iron group metal (Fe, Co, or Ni)
139  DF  .~.~ Ion exchanging or liquid-liquid extracting
140  DF  .~.~ Forming insoluble substance in liquid
141  DF  .~.~.~ Subjecting mixture to pressure, vacuum, or steam
142  DF  .~.~.~ Agitating during reaction
143  DF  .~.~.~ Utilizing or forming nitrogenous compound
144  DF  .~.~.~.~ Carbonating, hydroxylating, or hydrating
145  DF  .~.~.~.~ Sulfating
146  DF  .~.~.~ Sulfating
147  DF  .~.~.~.~ Halogenating, hydroxylating, or hydrating
148  DF  .~.~ Utilizing fluidized bed
149  DF  .~.~ Volatizing iron, nickel, or cobalt
150.1  DF  .~.~ Leaching, washing, or dissolving
150.2  DF  .~.~.~ Spent catalyst
150.3  DF  .~.~.~ Treatment of iron containing waste mixture
150.4  DF  .~.~.~ Treatment of matte or nodule
150.5  DF  .~.~.~.~ Gas injected into mixture
150.6  DF  .~.~.~.~ With electrolytic or magnetic separation
151  DF  .~.~ Converting metal to magnetic form
152  DF  .~.~.~ At specified temperature
153  DF  .~.~ Desulfurizing
154  DF  .~.~.~ At specified temperature
155  DF  .~ Alkaline earth metal (Mg, Ca, Sr, or Ba)
156  DF  .~.~ Magnetic separating
157  DF  .~.~ Ion exchanging or liquid-liquid extracting
157.2  DF  .~.~ Phosphate rock or ore
157.3  DF  .~.~.~ Acid treatment
157.4  DF  .~.~.~.~ Sulfating
157.5  DF  .~.~ Phosphorous or phosphorous compound containing waste as feed
158  DF  .~.~ Forming insoluble substance in liquid
159  DF  .~.~.~ Subjecting mixture to pressure, vacuum, or steam
160  DF  .~.~.~ Agitating during reaction
161  DF  .~.~.~ Specified particle size used or made
162  DF  .~.~.~ Nitrating or ammoniating
163  DF  .~.~.~ Halogenating
164  DF  .~.~.~ Hydroxylating or hydrating
165  DF  .~.~.~ Carbonating
166  DF  .~.~.~ Sulfating
167.1  DF  .~.~ Treating asbestos
168  DF  .~.~ Mixing fuel with starting mixture
169  DF  .~.~ Separating magnesium and calcium from each other (e.g., treating dolomite, etc.)
170  DF  .~.~ Treating impure sulfate (e.g., barite, etc.)
171  DF  .~.~.~ Calcining gypsum
172  DF  .~.~.~.~ With steam or at specified temperature
173  DF  .~.~ Treating impure carbonate (e.g., oyster shells, etc.)
174  DF  .~.~.~ Forming calcium carbide
175  DF  .~.~.~ Calcining
176  DF  .~.~.~.~ Utilizing vacuum or steam
177  DF  .~.~.~.~ With agitating or at specified temperature
178  DF  .~.~ Mixture contains halogen or sulfur
179  DF  .~ Alkali metal (Li, Na, K, Rb, or Cs)
179.5  DF  .~.~ Lithium
180  DF  .~.~ Decomposing amalgam or other alloy
181  DF  .~.~ Ion exchanging or liquid-liquid extracting
182  DF  .~.~ Regenerating solution
183  DF  .~.~.~ Hydroxide solution
184  DF  .~.~ Forming insoluble substance in liquid
185  DF  .~.~.~ Fluorinating or defluorinating
186  DF  .~.~.~ Carbonating
187  DF  .~.~.~.~ Utilizing or forming nitrogenous compound
188  DF  .~.~.~.~ Subjecting mixture to pressure, vacuum, or steam
189  DF  .~.~.~.~ Utilizing carbon dioxide as reactant
190  DF  .~.~.~.~.~ Mixture contains metal chloride
191  DF  .~.~.~.~ Halogenating
192  DF  .~.~.~.~ Hydroxylating or hydrating
193  DF  .~.~.~.~ Sulfating
194  DF  .~.~.~ Utilizing or forming nitrogenous compound
195  DF  .~.~.~ Subjecting mixture to pressure, vacuum, or steam
196  DF  .~.~.~ Agitating during reaction
197  DF  .~.~.~ Halogenating
198  DF  .~.~.~ Hydroxylating or hydrating
199  DF  .~.~.~ Sulfating
200  DF  .~.~ Volatizing an alkali metal
201  DF  .~.~ Agitating during heating or reaction
202  DF  .~.~ Treating with acid or acid salt
203  DF  .~.~ Subjecting mixture to pressure, vacuum, or steam
204  DF  .~.~.~ Mixture contains organic impurity
205  DF  .~.~.~ Leaching or forming water soluble substance
206.1  DF  .~.~ Mixture contains organic or carbonaceous impurity
206.2  DF  .~.~.~ Alkali carbonate from trona
207  DF  .~.~.~ Burning the impurity
208  DF  .~.~ Water leaching or forming water soluble substance
209  DF  .~.~ Carbonating
210  DF  MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE
210.5  DF  .~ Direct contact with molten material
212  DF  .~ Mixture is exhaust from internal-combustion engine
213.2  DF  .~.~ Utilizing as solid sorbent, catalyst, or reactant a material containing a transition element
213.5  DF  .~.~.~ Group VIII element
213.7  DF  .~.~.~ Including successive stage treatments to modify or remove a different component in each stage
219  DF  .~ Molecular oxygen or ozone component
220  DF  .~ Carbon dioxide or hydrogen sulfide component
221  DF  .~.~ Utilizing thionate or thiosulfate as reactant
222  DF  .~.~ Reacting mixture with sulfur dioxide, sulfite, or bisulfite
223  DF  .~.~ Utilizing reactant containing arsenic, phosphorus, or boron
224  DF  .~.~ By oxidizing or burning component
225  DF  .~.~ By suspension of metal oxide or hydroxide particles in liquid
226  DF  .~.~ Utilizing organic reactant
227  DF  .~.~.~ Phenolate or phenolic type
228  DF  .~.~.~ Amine
229  DF  .~.~.~.~ Ethanolamine
230  DF  .~.~ Utilizing solid sorbent, catalyst, or reactant
231  DF  .~.~.~ Iron oxide or hydroxide
232  DF  .~.~ Utilizing carbonate as reactant
233  DF  .~.~.~ And regenerating reactant by incoming actifying gas
234  DF  .~.~ Utilizing ammonium or metal hydroxide solution
235  DF  .~ Nitrogen or nitrogenous component
236  DF  .~.~ Component also contains carbon (e.g., cyanogen, hydrogen cyanide, etc.)
237  DF  .~.~ Ammonia
238  DF  .~.~.~ Utilizing liquid as reactant
239.1  DF  .~.~ Utilizing solid sorbent, catalyst, or reactant
239.2  DF  .~.~.~ Zeolite
240 R  DF  .~ Halogenous component
241  DF  .~.~ Free halogen
240 S  DF  .~.~ Solid removal agent
242.1  DF  .~ Sulfur or sulfur containing component
242.2  DF  .~.~ Utilizing reactant having organic portion to remove or modify sulfur or sulfur containing component
242.3  DF  .~.~.~ Organic acid
242.4  DF  .~.~.~ Alcohol, arylhydroxide, or polyol
242.5  DF  .~.~.~ Sugar
242.6  DF  .~.~.~ Heterocyclic
242.7  DF  .~.~.~ Amine
243.01  DF  .~.~ Utilizing aqueous reactant to remove or modify sulfur or sulfur containing component
243.02  DF  .~.~.~ And addition of gaseous reactant
243.03  DF  .~.~.~.~ Oxygen
243.04  DF  .~.~.~ Ion separation step
243.05  DF  .~.~.~ With component added to inhibit corrosion or scaling of processing apparatus
243.06  DF  .~.~.~ Ammonium compound reactant
243.07  DF  .~.~.~ Transition metal or compound thereof reactant
243.08  DF  .~.~.~ Alkali or alkali earth compound reactant
243.09  DF  .~.~.~.~ Sulfite
243.1  DF  .~.~.~.~ And additional ionic reactant
243.11  DF  .~.~.~ And subsequent reactive treatment to remove sulfur from spent reactant
243.12  DF  .~.~.~.~ Gaseous treatment
244.01  DF  .~.~ Utilizing solid reactant or catalyst to remove or modify sulfur or sulfur containing component
244.02  DF  .~.~.~ Reactant or catalyst on support
244.03  DF  .~.~.~.~ Carbonaceous support
244.04  DF  .~.~.~.~ Aluminosilicate support
244.05  DF  .~.~.~ Reactant added to fuel for reaction in gas mixture
244.06  DF  .~.~.~ Transition metal or compound thereof reactant
244.07  DF  .~.~.~ Alkali or alkaline earth or compound reactant
244.08  DF  .~.~.~.~ Carbonate
244.09  DF  .~.~.~ Catalyst
244.1  DF  .~.~.~.~ Transition metal or compound thereof catalyst
244.11  DF  .~.~.~.~ Zeolite containing
245.1  DF  .~ Organic component
245.2  DF  .~.~ Utilizing liquid reactant
245.3  DF  .~.~ By burning or catalytically combusting component
246  DF  .~ Carbon monoxide component
247  DF  .~.~ Utilizing solid sorbent, catalyst, or reactant
248  DF  .~ Hydrogen component
215.5  DF  .~ Solid component
249  DF  RADIOACTIVE (AT. NO. 84+ OR RADIOACTIVE ISOTOPE OF ANOTHER ELEMENT)
250  DF  .~ Transuranium compound
251  DF  .~.~ Plutonium containing
252  DF  .~ Thorium compound
253  DF  .~ Uranium compound
254  DF  .~.~ Binary compound
255  DF  .~.~.~ Hydrogen containing
256  DF  .~.~.~ Carbon containing
257  DF  .~.~.~ Chlorine containing
258  DF  .~.~.~ Fluorine containing
259  DF  .~.~.~.~ Tetrafluoride
260  DF  .~.~.~ Oxygen containing
261  DF  .~.~.~.~ Dioxide
262  DF  INERT OR NOBLE GAS OR COMPOUND THEREOF
263  DF  RARE EARTH COMPOUND (AT. NO. 21, 39, OR 57-71)
264  DF  CHANGING COLOR CHARACTERISTIC OF IMPURITY
265  DF  WITH ADDITIVE
266  DF  .~ For stabilizing crystal size or shape
267  DF  .~ Including anticaking or antihygroscopic function
268  DF  .~.~ Additive contains organic portion
269  DF  .~ Including corrosion inhibitor
270  DF  .~ For sulfur trioxide
271  DF  .~.~ Additive contains metal, boron, or silicon
272  DF  .~ For hydrogen peroxide
273  DF  .~.~ Additive contains metal, boron, or silicon
274  DF  .~ Coating or binder
275  DF  .~ Additive contains metal, boron, or silicon
276  DF  BORON OR COMPOUND THEREOF
277  DF  .~ Oxygen containing
278  DF  .~.~ Binary compound
279  DF  .~.~ Ternary compound containing metal or ammonium
280  DF  .~.~.~ Utilizing dissolved or liquid reactant
281  DF  .~.~.~.~ Peroxide
282  DF  .~.~.~.~ Carbon containing
283  DF  .~.~ Ternary compound containing hydrogen
284  DF  .~ Nitrogen and hydrogen containing
285  DF  .~.~ Ternary compound
286  DF  .~ Hydrogen and metal or ammonium containing
287  DF  .~.~ Utilizing halogen containing reactant
288  DF  .~.~ Utilizing oxygen containing reactant
289  DF  .~ Binary compound (e.g., boride, etc.)
290  DF  .~.~ Nitrogen containing
291  DF  .~.~ Carbon containing
292  DF  .~.~ Halogen containing
293  DF  .~.~.~ Fluorine
294  DF  .~.~ Hydrogen containing
295  DF  .~.~.~ By reacting metal hydride or organic derivative thereof
296  DF  .~.~.~ By reacting free hydrogen
297  DF  .~.~ Refractory metal containing (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, or W)
298  DF  .~ Elemental boron
299  DF  PHOSPHORUS OR COMPOUND THEREOF
300  DF  .~ Halogen containing
301  DF  .~.~ Fluorine
302  DF  .~ Nitrogen containing
303  DF  .~ Sulfur containing
304  DF  .~ Oxygen containing
305  DF  .~.~ Metal or ammonium containing
306  DF  .~.~.~ Plural metal or metal and ammonium containing
307  DF  .~.~.~ Hydrogen containing
308  DF  .~.~.~.~ Orthophosphate (e.g., calcium hydroxyapatite)
309  DF  .~.~.~.~.~ Utilizing phosphoric acid or its anhydride as reactant
310  DF  .~.~.~.~.~.~ And ammonia
311  DF  .~.~.~ Orthophosphate
312  DF  .~.~.~.~ Alkali metal or ammonium containing
313  DF  .~.~.~.~.~ Utilizing phosphoric acid as reactant
314  DF  .~.~.~ Metaphosphate
315  DF  .~.~.~ Triphosphate or tetraphosphate
316  DF  .~.~ Ternary compound containing hydrogen
317  DF  .~.~.~ Orthophosphoric acid
318  DF  .~.~.~.~ Utilizing reactant containing silicon or carbon
319  DF  .~.~.~.~ Reacting an acid and phosphate rock
320  DF  .~.~.~.~.~ Sulfuric acid
321.1  DF  .~.~.~.~ Purification or recovery
321.2  DF  .~.~.~.~.~ Organic solvent extraction
322  DF  .~ Elemental phosphorus
323  DF  .~.~ Utilizing a phosphate as reactant
324  DF  SILICON OR COMPOUND THEREOF
325  DF  .~ Oxygen containing
326  DF  .~.~ Metal containing (i.e., silicate)
327.1  DF  .~.~.~ Aluminum containing
327.2  DF  .~.~.~.~ Mullite
328.1  DF  .~.~.~.~ Aluminosilicate
328.2  DF  .~.~.~.~.~ Crystalline
328.3  DF  .~.~.~.~.~.~ Mica
329.1  DF  .~.~.~.~.~ X-ray diffraction pattern
330.1  DF  .~.~.~.~.~ Gelling or precipitation
331  DF  .~.~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)
332  DF  .~.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)
333  DF  .~.~.~.~ By precipitating or gelling from silicate solution
334  DF  .~.~.~.~ By heat treating silica and the alkali metal
335  DF  .~.~ Silica
336  DF  .~.~.~ By hydrolyzing vapor phase silicon compound
337  DF  .~.~.~ By oxidizing volatile silicon compound (e.g., combustion, etc.)
338  DF  .~.~.~ By gelling
339  DF  .~.~.~ By precipitating
340  DF  .~.~.~ By purifying sand
341  DF  .~ Halogen containing
342  DF  .~.~ Halogenated silane
343  DF  .~.~ Volatizing a solid
344  DF  .~ Binary compound (e.g., silicide, etc.)
345  DF  .~.~ Of carbon (i.e., silicon carbide)
346  DF  .~.~.~ By reacting vapor phase silicon compound with carbon or carbon containing compound
347  DF  .~.~ Of hydrogen (e.g., silane, etc.)
348  DF  .~ Elemental silicon
349  DF  .~.~ From silicon containing compound
350  DF  .~.~.~ Utilizing reducing substance
351  DF  NITROGEN OR COMPOUND THEREOF (EXCEPT AMMONIUM SALT OF NON-NITROGEN ACID)
352  DF  .~ Ammonia or ammonium hydroxide
353  DF  .~.~ From nitride of metal or silicon
354  DF  .~.~ And producing inorganic carbon and nitrogen containing compound
355  DF  .~.~ By hydrolyzing inorganic carbon and nitrogen containing compound
356  DF  .~.~ From ammonium compound
357  DF  .~.~.~ Utilizing calcium compound
358  DF  .~.~ From organic material containing nitrogen
359  DF  .~.~ From elemental hydrogen and nitrogen
360  DF  .~.~.~ With exchanging heat between catalyst and synthesis or effluent gas
361  DF  .~.~.~ Utilizing plurality of catalyst beds or portions
362  DF  .~.~.~ Utilizing metal containing catalyst
363  DF  .~.~.~.~ Alkali or alkaline earth metal
364  DF  .~ Carbon containing
365  DF  .~.~ And oxygen containing (e.g., fulminate, cyanate, etc.)
366  DF  .~.~ And sulfur containing (e.g., thiocyanate, etc.)
367  DF  .~.~ And iron containing (e.g., ferrocyanide, etc.)
368  DF  .~.~ Cyanamide radical containing
369  DF  .~.~.~ And hydrogen containing
370  DF  .~.~.~ Utilizing carbide as reactant
371  DF  .~.~ Ternary compound
372  DF  .~.~.~ Hydrogen cyanide
373  DF  .~.~.~.~ Employing formamide or formate as reactant
374  DF  .~.~.~.~ Utilizing nitric oxide or free nitrogen as reactant
375  DF  .~.~.~.~ Employing ammonia as reactant
376  DF  .~.~.~.~.~ And using catalyst
377  DF  .~.~.~.~ Utilizing metal cyanide as reactant
378  DF  .~.~.~ Using cyanamide as reactant
379  DF  .~.~.~ Utilizing hydrogen cyanide as reactant
380  DF  .~.~.~ Utilizing free nitrogen as reactant
381  DF  .~.~.~.~ And using catalyst
382  DF  .~.~.~.~ Utilizing carbon reactant from specified source
383  DF  .~.~ Halogen containing
384  DF  .~.~ Binary (e.g., cyanogen, etc.)
385  DF  .~ Oxygen containing
386  DF  .~.~ Halogen containing
387  DF  .~.~ Hydrogen containing
388  DF  .~.~.~ Sulfur containing
389  DF  .~.~.~.~ Sulfamic acid
390.1  DF  .~.~.~ Nitric acid
391  DF  .~.~.~.~ By reacting a salt and an acid
392  DF  .~.~.~.~ Utilizing ammonia as reactant
393  DF  .~.~.~.~ Utilizing nitrogen oxide as reactant
394  DF  .~.~.~.~.~ Nitrogen peroxide
394.2  DF  .~.~.~.~ Purification or recovery
395  DF  .~.~ Nitrate
396  DF  .~.~.~ Ammonium containing
397  DF  .~.~.~ Utilizing ammonium or metal nitrate as reactant
398  DF  .~.~.~ Utilizing halogen containing reactant
399  DF  .~.~.~.~ And nitric acid reactant
400  DF  .~.~ Binary compound (oxide of nitrogen)
401  DF  .~.~.~ Utilizing nitrosyl chloride as reactant
402  DF  .~.~.~ Utilizing catalyst
403  DF  .~.~.~.~ And ammonia as reactant
404  DF  .~.~.~.~.~ Catalyst is metal oxide
405  DF  .~.~.~ Nitric oxide (NO)
406  DF  .~ Binary compound
407  DF  .~.~ Hydrazine or hydrazine hydrate
408  DF  .~.~.~ Utilizing halogen or sulfur as reactant
409  DF  .~.~ Metal or ammonium containing
410  DF  .~.~.~ Azide
411  DF  .~.~.~ Titanium or zirconium containing
412  DF  .~.~.~ Aluminum containing
413  DF  .~ Hydrogen containing (e.g., amide, imide, etc.)
414  DF  CARBON OR COMPOUND THEREOF
415.1  DF  .~ Oxygen containing
415.2  DF  .~.~ Percarbonate compound
416  DF  .~.~ Carbonyl
417  DF  .~.~.~ Metal containing
418  DF  .~.~.~.~ Utilizing organic compound as reactant
418.2  DF  .~.~ Carbon monoxide
419.1  DF  .~.~ Carbonate or bicarbonate
420  DF  .~.~.~ Ammonium containing
420.2  DF  .~.~.~ Plural metal containing
421  DF  .~.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)
422  DF  .~.~.~.~ Hydrogen containing (bicarbonate)
423  DF  .~.~.~.~.~ By carbonating ammoniated brine
424  DF  .~.~.~.~.~ By reacting halogen containing compound
425  DF  .~.~.~.~.~ Sesquicarbonate
426  DF  .~.~.~.~ Densifying soda ash
427  DF  .~.~.~.~ By reacting a bicarbonate
428  DF  .~.~.~.~ By reacting sulfur containing compound
429  DF  .~.~.~.~ By reacting halogen containing compound
430  DF  .~.~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)
431  DF  .~.~.~.~ By reacting sulfur or halogen containing compound
432  DF  .~.~.~.~ By reacting oxide or hydroxide of the metal
433  DF  .~.~.~ Lead containing
434  DF  .~.~.~.~ By reacting compound containing sulfur or a halogen
435  DF  .~.~.~.~ By reacting lead acetate or acetic acid
436  DF  .~.~.~.~.~ And utilizing metallic lead as reactant
437.1  DF  .~.~ Carbon dioxide or carbonic acid
438  DF  .~.~.~ From a carbonate
437.2  DF  .~.~.~ From carbon monoxide
439  DF  .~ Binary compound (e.g., carbide, etc.)
440  DF  .~.~ Refractory metal containing
441  DF  .~.~ Calcium containing
442  DF  .~.~.~ By reacting carbon and inorganic calcium containing compound
443  DF  .~.~ Disulfide
444  DF  .~.~.~ By reacting free carbon
445 R  DF  .~ Elemental carbon
446  DF  .~.~ Diamond
447.1  DF  .~.~ Fiber, fabric, or textile
447.2  DF  .~.~.~ Product
447.3  DF  .~.~.~ From gaseous reactants
447.4  DF  .~.~.~ Prior treatment before carbonization (except with gaseous oxygen)
447.5  DF  .~.~.~.~ With metal, metal compound, or phosphorus compound
447.6  DF  .~.~.~ Including reaction with gaseous oxygen
447.7  DF  .~.~.~ In specific atmosphere (other than vacuum or air)
447.8  DF  .~.~.~ Controlling varying temperature or plural heating steps
447.9  DF  .~.~.~ Carbonizing cellulosic material
448  DF  .~.~ Graphite
449.1  DF  .~.~ Carbon black (e.g., lampblack)
449.2  DF  .~.~.~ Treating carbon black
449.3  DF  .~.~.~.~ Treating with acid, or gas which forms acid in water
449.4  DF  .~.~.~.~ Halogen or compound thereof
449.5  DF  .~.~.~.~ Gaseous oxygen containing compound
449.6  DF  .~.~.~ Utilizing synthetic polymer as reactant
449.7  DF  .~.~.~.~ Tire
449.8  DF  .~.~.~ Solid material in feed
450  DF  .~.~.~ Directly from fluid hydrocarbon only
451  DF  .~.~.~.~ Rapid and discontinuous oxidation
452  DF  .~.~.~.~ Including flame impinging on cool surface
453  DF  .~.~.~.~ By contacting with catalyst or hot solid surface
454  DF  .~.~.~.~.~ Hot particulate bed or reaction zone lining or refactory
455  DF  .~.~.~.~ Specified injection velocity
456  DF  .~.~.~.~ Specified injection angle (e.g., helical, tangential, etc.)
457  DF  .~.~.~.~.~ At least one radial inlet
458  DF  .~.~.~.~ Gas or vapor only as infeed to process
449.9  DF  .~.~.~ Liquid feed only
459  DF  .~.~.~ From carbon monoxide infeed to process
460  DF  .~.~ Treating carbon
461  DF  .~.~ Recovery or purification
445 B  DF  .~.~ Fullerene (e.g., C60, C70, etc.)
462  DF  HALOGEN OR COMPOUND THEREOF
463  DF  .~ Plural metal or metal and ammonium containing
464  DF  .~.~ Including fluorine
465  DF  .~.~.~ Including aluminum
466  DF  .~ Plural diverse halogens containing
467  DF  .~ Sulfur containing
468  DF  .~.~ Ternary compound containing oxygen
469  DF  .~.~ Binary compound
470  DF  .~ Ammonium halide
471  DF  .~.~ Recovery or purification
472  DF  .~ Ternary compound
473  DF  .~.~ Hypohalite or hypohalous acid
474  DF  .~.~.~ Calcium hypochlorite
475  DF  .~.~ Halogenate (e.g., chlorates, etc.)
476  DF  .~.~ Perhalate or perhalic acid
477  DF  .~ Chlorine dioxide
478  DF  .~.~ By reacting a chlorate
479  DF  .~.~.~ And a nitrogenous or carbonaceous compound
480  DF  .~.~.~ And sulfur dioxide
481  DF  .~ Hydrogen halide
482  DF  .~.~ By reacting alkali metal salt with sulfuric acid
483  DF  .~.~ Hydrogen fluoride
484  DF  .~.~.~ From impure starting material
485  DF  .~.~.~.~ Fluorspar
486  DF  .~.~ Utilizing an element as reactant
487  DF  .~.~.~ Reacting elemental hydrogen and elemental halogen
488  DF  .~.~ Recovery or purification
489  DF  .~ Binary fluorine containing compound
490  DF  .~.~ Alkali or alkaline earth metal containing
491  DF  .~ Binary compound containing metal
492  DF  .~.~ Refractory metal (Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, or W)
493  DF  .~.~ Iron group metal or copper (Fe, Co, Ni, or Cu)
494  DF  .~.~ Group IVA metal or copper (Ge, Sn, or Pb)
495  DF  .~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be)
496  DF  .~.~.~ Utilizing carbon or carbon containing compound
497  DF  .~.~ Alkaline earth metal (Mg, Ca, Sr, or Ba)
498  DF  .~.~.~ Anhydrous magnesium chloride
499.1  DF  .~.~ Alkali metal
499.2  DF  .~.~.~ From carbonaceous compound
499.3  DF  .~.~.~ Lithium chloride
499.4  DF  .~.~.~ Sodium chloride
499.5  DF  .~.~.~.~ Purification
500  DF  .~ Elemental halogen
501  DF  .~.~ Ion exchanging or liquid-liquid extracting
502  DF  .~.~ Oxidizing catalytically
503  DF  .~.~ Sorbing
504  DF  .~.~ From mixture containing alkali metal or alkaline earth metal
505  DF  .~.~.~ Forming insoluble substance in liquid
506  DF  .~.~ By reacting alkali metal halide with sulfur compound
507  DF  .~.~ By reacting hydrogen halide or ammonium halide
508  DF  SELENIUM OR TELLURIUM OR COMPOUND THEREOF
509  DF  .~ Binary compound
510  DF  .~ Elemental selenium or tellurium
511  DF  SULFUR OR COMPOUND THEREOF
512.1  DF  .~ Oxygen containing
513  DF  .~.~ Persulfate
514  DF  .~.~ Thiosulfate
515  DF  .~.~ Dithionite
516  DF  .~.~.~ Employing amalgam as reactant
517  DF  .~.~ Metal and ammonium containing
518  DF  .~.~ Plural metal containing
519  DF  .~.~ Bisulfite
519.2  DF  .~.~ Sulfite
520  DF  .~.~.~ Bisulfate
521  DF  .~.~ Ternary compound containing hydrogen
522  DF  .~.~.~ Sulfuric acid
523  DF  .~.~.~.~ Nitrogenous impurity or utilizing nitrogenous catalyst or reactant
524  DF  .~.~.~.~.~ Lead chamber process
525  DF  .~.~.~.~ Starting material includes organic or carbonaceous impurity
526  DF  .~.~.~.~.~ Utilizing pressure or vacuum on mixture
527  DF  .~.~.~.~.~ Adding organic compound to mixture
528  DF  .~.~.~.~.~ Contacting mixture with gas, steam, or vapor
529  DF  .~.~.~.~ Subjecting reactants to pressure, vacuum, or steam
530  DF  .~.~.~.~ Utilizing metal sulfate
531  DF  .~.~.~.~ Purifying acid or reactant
532  DF  .~.~ Sulfur trioxide
533  DF  .~.~.~ Utilizing catalyst in reaction
534  DF  .~.~.~.~ Promoter or successive diverse catalysts
535  DF  .~.~.~.~ Catalyst contains oxygen, vanadium, and another metal
536  DF  .~.~.~.~ Platinum catalyst
537  DF  .~.~.~.~.~ With sulfate or asbestos carrier
538  DF  .~.~.~.~ Oxygen containing catalyst
539  DF  .~.~ Sulfur dioxide
540  DF  .~.~.~ From acid sludge or waste
541.1  DF  .~.~.~ Utilizing metal sulfate as reactant
541.4  DF  .~.~.~.~ Ammonium sulfate
542  DF  .~.~.~ Burning or roasting a sulfur compound
543  DF  .~.~.~ Burning sulfur
544  DF  .~.~ Sulfate
545  DF  .~.~.~ Ammonium containing
546  DF  .~.~.~.~ Utilizing thiocyanate as reactant
547  DF  .~.~.~.~ Employing sulfite or bisulfite as reactant
548  DF  .~.~.~.~ Using metal sulfate as reactant
549  DF  .~.~.~.~ Employing sulfuric acid as reactant
550  DF  .~.~.~.~.~ Ammonia from waste gas
551  DF  .~.~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)
552  DF  .~.~.~.~ Utilizing chloride as reactant
553  DF  .~.~.~.~ Dehydrating
554  DF  .~.~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)
555  DF  .~.~.~.~ Calcium
556  DF  .~.~.~ Aluminum containing
557  DF  .~.~.~ Copper containing
558  DF  .~.~.~ Iron containing
559  DF  .~.~.~ Lead containing
560  DF  .~ Ternary compound containing hydrogen and metal (e.g., hydrosulfide, etc.)
561.1  DF  .~ Binary compound
562  DF  .~.~ Polysulfide
563  DF  .~.~ Hydrogen sulfide
564  DF  .~.~.~ By catalytic reaction
565  DF  .~.~ Utilizing free sulfur as reactant
566  DF  .~.~ Utilizing sulfate or sulfuric acid as reactant
566.1  DF  .~.~ Sulfide of Cd, Zn, or Hg
566.2  DF  .~.~ Sulfide of alkali metal
566.3  DF  .~.~ Sulfide of alkaline earth metal
567.1  DF  .~ Elemental sulfur
568  DF  .~.~ Chlorinating
569  DF  .~.~ Reducing sulfur dioxide by carbon containing material
570  DF  .~.~.~ Catalytic reaction
571  DF  .~.~ Reacting a sulfide
572  DF  .~.~.~ With steam to form hydrogen sulfide
573.1  DF  .~.~.~ Hydrogen sulfide
574.1  DF  .~.~.~.~ With sulfur dioxide
574.2  DF  .~.~.~.~.~ In inorganic liquid
575  DF  .~.~.~.~.~ Utilizing organic solvent or absorbent
576  DF  .~.~.~.~.~ Utilizing promotor containing silica or aluminum
576.2  DF  .~.~.~.~ With specified procedure for sulfur recovery or specified conditions for producing sulfur in more recoverable form
576.4  DF  .~.~.~.~ By reacting gaseous feed stream with liquid aqueous mixture
576.5  DF  .~.~.~.~.~ Transition metal-containing mixture
576.6  DF  .~.~.~.~.~.~ Chelated or sequestered transition metal
576.7  DF  .~.~.~.~.~ Organic compound-containing
576.8  DF  .~.~.~.~ By reacting gaseous feed with gas containing free oxygen
577  DF  .~.~.~ Reacting metal sulfide with sulfur dioxide
578.1  DF  .~.~ Purifying crude sulfur
578.2  DF  .~.~.~ From ore
578.4  DF  .~.~ From liquid or solid compound
579  DF  OXYGEN OR COMPOUND THEREOF
580.1  DF  .~ Water
580.2  DF  .~.~ Heavy water
581  DF  .~ Superoxide or ozone
582  DF  .~ Peroxide
583  DF  .~.~ Alkaline earth metal (Mg, Ca, Sr, or Ba)
584  DF  .~.~ Hydrogen
585  DF  .~.~.~ From persulfuric acid or persulfate
586  DF  .~.~.~ From inorganic peroxide
587  DF  .~.~.~ From organic reactant
588  DF  .~.~.~.~ By oxidizing hydroquinone or anthraquinone
589  DF  .~.~.~.~.~ Including dissolving reactant in ester containing solvent
590  DF  .~.~.~.~.~ Including dissolving reactant in alcohol containing solvent
591  DF  .~.~.~.~ By oxidizing alcohol or hydrocarbon
592  DF  .~ Metal containing
593  DF  .~.~ Plural metals or metal and ammonium
594  DF  .~.~.~ Iron, cobalt, or nickel (e.g., ferrite, etc.)
595  DF  .~.~.~ Chromium (e.g., chromate, etc.)
596  DF  .~.~.~.~ And alkali metal, alkaline earth metal, or ammonium containing
597  DF  .~.~.~.~.~ Dichromate
598  DF  .~.~.~ Titanium (e.g., titanate, etc.)
599  DF  .~.~.~ Manganese (e.g., manganate, etc.)
600  DF  .~.~.~ Aluminum (e.g., aluminate, etc.)
601  DF  .~.~.~ Arsenic (e.g., arsenite, etc.)
602  DF  .~.~.~.~ Arsenate
603  DF  .~.~.~.~.~ And lead containing
604  DF  .~.~ Group IB metal (Cu, Ag, or Au)
605  DF  .~.~ Group VIIB metal (Mn, Tc, or Re)
606  DF  .~.~ Group VIB metal (Cr, Mo, or W)
607  DF  .~.~.~ Chromium
608  DF  .~.~ Group IVB metal (Ti, Zr, or Hf)
609  DF  .~.~.~ Titanium monoxide or sesquioxide
610  DF  .~.~.~ Titanium dioxide
611  DF  .~.~.~.~ Utilizing titanium halide as reactant
612  DF  .~.~.~.~.~ Titanium tetrahalide
613  DF  .~.~.~.~.~.~ Reacting with oxiding gas
614  DF  .~.~.~.~.~.~.~ In fluidized bed
615  DF  .~.~.~.~ Utilizing titanium sulfate as reactant
616  DF  .~.~.~.~.~ And utilizing acid
617  DF  .~.~ Group VA metal or arsenic (Sb, Bi, or As)
618  DF  .~.~ Group IVA metal (Ge, Sn, or Pb)
619  DF  .~.~.~ Lead
620  DF  .~.~.~.~ Utilizing metallic lead as reactant
621  DF  .~.~.~.~.~ Molten
622  DF  .~.~ Zinc
623  DF  .~.~.~ Volatizing zinc
624  DF  .~.~ Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be)
625  DF  .~.~.~ Aluminum
626  DF  .~.~.~.~ Utilizing acid
627  DF  .~.~.~.~ Reacting metallic aluminum with water or water vapor
628  DF  .~.~.~.~ Forming catalyst, sorbent activated, or narrow pore alumina
629  DF  .~.~.~.~ Hydroxide
630  DF  .~.~.~.~ Utilizing carbon or compound thereof as reactant
631  DF  .~.~.~.~ Utilizing nitrogenous compound as reactant
632  DF  .~.~ Iron
633  DF  .~.~.~ Ferric oxide
634  DF  .~.~.~.~ Gamma form
635  DF  .~.~ Alkaline earth metal (Mg, Ca, Sr, or Ba)
636  DF  .~.~.~ Process of manufacturing
637  DF  .~.~.~.~ Utilizing carbonate as reactant
638  DF  .~.~.~.~ By reacting a sulfur containing compound
639  DF  .~.~.~.~ By reacting a nitrogenous or halogenous compound
640  DF  .~.~.~.~ By hydrating lime
641  DF  .~.~ Alkali metal (Li, Na, K, Rb, or Cs)
642  DF  .~.~.~ By reacting sulfur containing compound
643  DF  .~.~.~ By reacting a nitrogenous or halogenous compound
644  DF  HYDROGEN OR COMPOUND THEREOF
645  DF  .~ Binary compound
646  DF  .~.~ Alkali metal containing (Li, Na, K, Rb, or Cs)
647  DF  .~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)
647.7  DF  .~ Deuterium-containing
648.1  DF  .~ Elemental hydrogen
649  DF  .~.~ Ortho-para conversion
650  DF  .~.~ By decomposing hydrocarbon
651  DF  .~.~.~ Catalytic reaction
652  DF  .~.~.~.~ Including decomposing water
653  DF  .~.~.~.~.~ Catalyst substance contains nickel
654  DF  .~.~.~.~.~.~ And another metal
655  DF  .~.~ By reacting water with carbon monoxide
656  DF  .~.~.~ Utilizing metal oxide catalyst
657  DF  .~.~ By reacting water or aqueous solution with metal or compound thereof
658  DF  .~.~.~ Iron
658.2  DF  .~.~ By direct decomposition of binary compound; e.g., chemical storage, etc.
658.3  DF  .~.~ By reaction of impurities in a stream containing elemental hydrogen
658.5  DF  EXTRACTING, LEACHING, OR DISSOLVING
659  DF  MISCELLANEOUS PROCESS
******************************
DIGESTS
******************************
DIG 1  DD  Waste acid containing iron
DIG 2  DD  .~ Sulfuric acid
DIG 3  DD  Papermaking liquor
DIG 4  DD  Manganese marine modules
DIG 5  DD  Automatic (including computer) control
DIG 6  DD  Temperature control
DIG 7  DD  Isotope separation
DIG 8  DD  Corrosion or deposition inhibiting
DIG 9  DD  Reaction techniques
DIG 10  DD  .~ Plasma energized
DIG 11  DD  .~ High pressure
DIG 12  DD  .~ Molten media
DIG 13  DD  .~ Catalyst contact
DIG 14  DD  .~ Ion exchange; chelation or liquid/liquid ion extraction
DIG 15  DD  .~ Comminution
DIG 16  DD  .~ Fluidization
DIG 17  DD  .~ Microbiological reactions
DIG 18  DD  Treating trash or garbage
DIG 19  DD  Geothermal steam purification
DIG 21  DD  Faujasite; e.g., X, Y, CZS-3, ECR-4, Z-14HS, VHP-r
DIG 22  DD  MFI; e.g., ZSM-5. Silicalite, LZ-241
DIG 23  DD  Ferrierite; e.g., Sr-D ZSM-33
DIG 24  DD  LTA; e.g., A, Alpha, ZK-4, ZK-21, ZK-22
DIG 25  DD  Mordenite; e.g., Na-D, Pttilolite, Zeolon
DIG 26  DD  Mazzite; e.g., ZSM-4, Omega
DIG 27  DD  Beta; e.g., NU-2
DIG 28  DD  LTL; e.g., Ba-g, L, AG-1, AG-2, AG-4, Ba-6
DIG 29  DD  MEL; e.g., ZSM-11
DIG 30  DD  ALPO and SAPO
DIG 31  DD  RHO; e.g., ECR-10, LZ-214
DIG 32  DD  Sodalite; e.g., HS, Ultramarine
DIG 33  DD  MTW; e.g., ZSM-12, NU-13, Czh-5, TPZ-3
DIG 34  DD  Pentasils other than MFI and MEL; e.g., AZ-1, TZ-01, TZ-02, TRS, ZBM-10
DIG 35  DD  TON; e.g., Theta-1, ISI-1, KZ-2, ZSM-22, NU-10
DIG 36  DD  MTT; e.g., ZSM-23, ISI-1, KZ-1, EU-1, EU-4, EU-13
DIG 37  DD  LEV; e.g., Levynik, ZMT-45, ZK-20, NU-3, LZ-132, LZ-133
DIG 38  DD  Offretite; e.g., TMA Offreite
DIG 39  DD  Fullerene (e.g., C60, C70, etc.) derivative and related process
DIG 40  DD  Fullerene composition