US Patent Class 526
SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES




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  DF  CLASS NOTES
*  DD  SYNTHETIC RESINS (Class 520, Subclass 1)
59  DF  .~ EFFECTING A CHANGE IN A POLYMERIZATION PROCESS IN RESPONSE TO A MEASUREMENT OR TEST
60  DF  .~.~ Change responsive to composition property other than density
61  DF  .~.~ Change responsive to pressure or temperature
62  DF  .~ POLYMERIZING IN REACTOR OF SPECIFIED MATERIAL, OR IN REACTOR IN WHICH SURFACE CONTACTING POLYMERIZING MATERIAL HAS BEEN TREATED
63  DF  .~ POLYMERIZING IN PRESENCE OF INERT SOLID MASSES SO AS TO HEAT, COOL, OR GRIND POLYMERIZING MASS
64  DF  .~ POLYMERIZING IN TUBULAR OR LOOP REACTOR
65  DF  .~ POLYMERIZING IN TWO OR MORE PHYSICALLY DISTINCT ZONES
66  DF  .~.~ Adding material to polymerization zone in an incremental or sequential manner
67  DF  .~ REMOVING AND RECYCLING REMOVED MATERIAL FROM AN ONGOING POLYMERIZATION ZONE TO A POLYMERIZATION ZONE
68  DF  .~.~ Recycling monomer
69  DF  .~.~ Recycling catalyst
70  DF  .~.~ Recycling diluent
71  DF  .~ REMOVING ONLY NONPOLYMERIZED OR NONPOLYMERIZABLE MATERIAL DURING POLYMERIZATION PROCESS
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING
73  DF  .~.~ Polymerization involving two or more specified temperature or pressure conditions
74  DF  .~.~ Utilizing material during polymerization to prevent or remove reactor buildup, e.g., fouling, clogging, etc.
75  DF  .~.~ Including step of synthesis of monomer or pre-polymer
76  DF  .~.~.~ Polymerizable material derived from petroleum fraction
77  DF  .~.~ Including step of purifying monomer
78  DF  .~.~ Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge
79  DF  .~.~.~ Adding in an incremental or sequential manner
80  DF  .~.~.~.~ Polymerizing in the presence of water
81  DF  .~.~.~.~.~ Added material is other than monomer per se, or composition containing monomer
82  DF  .~.~.~ Adding polymerization inhibitor or terminator, e.g., short-stopper, etc.
83  DF  .~.~.~.~ Added material contains nitrogen compound
84  DF  .~.~.~.~ Added material contains oxygen compound
85  DF  .~.~.~.~ Added material contains sulfur atom
86  DF  .~.~.~ Adding catalyst or catalyst component
87  DF  .~.~.~ Adding monomer
88  DF  .~.~ Polymerization involving specified mixing, stirring, agitating, or movement of material
89  DF  .~.~ Polymerizing in the presence of a specified material other than monomer
90  DF  .~.~.~ Material contains transition metal or compound thereof
91  DF  .~.~.~.~ In presence of water
92  DF  .~.~.~.~.~ Carbon-metal bond
93  DF  .~.~.~.~.~ Group VIII transition metal (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt)
94  DF  .~.~.~.~.~.~ With organo-sulfur compound or organic-transition metal compound containing sulfur atom
95  DF  .~.~.~.~ Material contains transition metal oxide (other than peroxide)
96  DF  .~.~.~.~.~ Contains elemental transition metal or a non-oxide compound of a transition metal
97  DF  .~.~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
98  DF  .~.~.~.~.~ Contains non-metallic halogen-containing material
99  DF  .~.~.~.~.~ Contains compound containing aluminum to halogen bond and wherein the same aluminum atom is not bonded to a hydrogen or carbon atom
100  DF  .~.~.~.~.~ Contains non-metal organic N, O, S or P containing compound
101  DF  .~.~.~.~.~ Two or more transition metal oxides, at least two of said oxides being other than oxides of Ti, Zr, Hf, or Th
102  DF  .~.~.~.~.~ Contains non-transition heavy metal or compound thereof
103  DF  .~.~.~.~.~ Group VIII metal oxide (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt)
104  DF  .~.~.~.~.~ Group VIB metal oxide (Cr, Mo, W)
105  DF  .~.~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or nontransition metal to carbon atom bond
106  DF  .~.~.~.~.~.~ Metal oxide is of chromium
107  DF  .~.~.~.~.~ Group IVB metal oxide (Ti, Zr, Hf)
108  DF  .~.~.~.~ Contains one or more elemental transition metal atoms
109  DF  .~.~.~.~.~ With peroxy compound (-O-O-)
110  DF  .~.~.~.~.~ With non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond
111  DF  .~.~.~.~.~.~ With non-metal P, S, O, or N containing material
112  DF  .~.~.~.~.~ With transition metal compound
113  DF  .~.~.~.~ Two or more diverse transition metal atoms in distinct compounds or in the same compound
114  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond
115  DF  .~.~.~.~.~.~ Contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt)
116  DF  .~.~.~.~.~.~ At least one Group IVB metal atom (Ti, Zr, Hf) and at least one Group VB meta l (V, Nb, Ta)
117  DF  .~.~.~.~.~ Contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt)
118  DF  .~.~.~.~ Material contains two or more different compounds of same transition metal
119  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
120  DF  .~.~.~.~ Material contains compound of non-transition heavy metal wherein non-transition heavy metal is not bonded to hydrogen or carbon
121  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
122  DF  .~.~.~.~.~.~ Nontransition heavy metal compound is halogen-containing
123.1  DF  .~.~.~.~ Material contains compound of Group IA (Li, Na, K, Rb, Cs, Fr) or Group IIA (Be, Mg, Ca, Sr, Ba, Ra) metal wherein IA or IIA metal is not bonded to hydrogen or to carbon
124.1  DF  .~.~.~.~.~ Contains nontransition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
124.2  DF  .~.~.~.~.~.~ Contains a magnesium compound as the Group IIA metal compound
124.3  DF  .~.~.~.~.~.~.~ Contains at least one additional specified material
124.4  DF  .~.~.~.~.~.~.~.~ Contains two or more magnesium compounds having no H to magnesium or C to magnesium bonds or at least one additional said Group IA or IIA compound
124.5  DF  .~.~.~.~.~.~.~.~ Contains Si or Al inorganic oxygen-containing compound
124.6  DF  .~.~.~.~.~.~.~.~.~ Contains organic non-metal containing B, Si, N, P, or chalcogen material
124.7  DF  .~.~.~.~.~.~.~.~ Contains at least two non-transition elemental metals, hydrides thereof, or compounds containing carbon to non-transition metal atom bond, or mixtures thereof
124.8  DF  .~.~.~.~.~.~.~.~.~ Contains organic non-metal containing B, Si, N, P, or chalcogen material
124.9  DF  .~.~.~.~.~.~.~.~ Contains organic non-metal containing B, Si, N, P, or chalcogen material
125.1  DF  .~.~.~.~.~.~.~.~.~ Contains organic Al compound containing no H to aluminum or C to aluminum bonds
125.2  DF  .~.~.~.~.~.~.~.~.~ Contains compound containing only C, H and halogen atoms or only C and halogen atoms
125.3  DF  .~.~.~.~.~.~.~.~.~ Contains organic non-metal containing B or Si material
125.4  DF  .~.~.~.~.~.~.~.~.~ Contains at least one inorganic material having no H to metal bonds
125.5  DF  .~.~.~.~.~.~.~.~.~.~ At least one of said inorganic materials is an Al halide
125.6  DF  .~.~.~.~.~.~.~.~.~ Contains at least two organic non-metal containing N, P, or chalcogen materials
125.7  DF  .~.~.~.~.~.~.~.~ Contains compound containing only C, H and halogen atoms or only C and halogen atoms
125.8  DF  .~.~.~.~.~.~.~.~ Contains at least one inorganic material having no H to metal bonds
126  DF  .~.~.~.~ Material contains silicon atom
127  DF  .~.~.~.~.~ Contains non-transition free metal, hydride thereof, or carbon to non-transition metal atom bond
128  DF  .~.~.~.~.~.~ Silicon present in organic non-metal compound
129  DF  .~.~.~.~.~.~ Silicon present in inorganic oxygen-containing compound
130  DF  .~.~.~.~.~ Silicon present in inorganic oxygen-containing compound
131  DF  .~.~.~.~ Material contains boron atom
132  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond
133  DF  .~.~.~.~.~.~ Boron compound is halogen-containing
134  DF  .~.~.~.~.~ Boron compound contains boron bonded to hydrogen or to carbon atom
135  DF  .~.~.~.~ With non-metal N, P, O, S, Se, Te, or halogen material other than nitrogen gas
136  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof, or carbon to non transition metal atom bond
137  DF  .~.~.~.~.~.~ Non-metal material is inorganic halogen-containing material
138  DF  .~.~.~.~.~.~ Non-metal material is inorganic oxygen-containing material
139  DF  .~.~.~.~.~.~ Non-metal material is organic phosphorus-containing compound
140  DF  .~.~.~.~.~.~ Non-metal material is organic sulfur-containing compound
141  DF  .~.~.~.~.~.~ Non-metal material is organic nitrogen-containing compound
142  DF  .~.~.~.~.~.~ Non-metal material is organic oxygen-containing compound
143  DF  .~.~.~.~.~.~.~ Non-metal organic oxygen compound is halogen-containing
144  DF  .~.~.~.~.~.~ Non-metal material is organic halogen-containing compound
145  DF  .~.~.~.~.~ Non-metal phosphorus-containing material
146  DF  .~.~.~.~.~ Non-metal sulfur-containing material
147  DF  .~.~.~.~.~ Non-metal nitrogen-containing material
148  DF  .~.~.~.~ Contains two or more diverse non-transition elemental metals, different non-transition hydride compounds, different carbon to non transition metal compounds, or mixture thereof
149  DF  .~.~.~.~.~ At least one atom of As, Sb, or Bi, in elemental form or bonded to hydrogen or carbon atom
150  DF  .~.~.~.~.~ At least one atom of Ge, Sn, or Pb in elemental form or bonded to hydrogen or carbon atom
151  DF  .~.~.~.~.~ At least one atom of Group IIIA metal (Al, Ga, In, Tl) in elemental form or bonded to hydrogen or carbon atom
152  DF  .~.~.~.~.~.~ At least one atom of Group IA metal (Li, Na, K, Rb, Cs, Fr) in elemental form or bonded to hydrogen or carbon atom
153  DF  .~.~.~.~.~.~ Two or more Group IIIA metals in elemental form or bonded to hydrogen or carbon atom
154  DF  .~.~.~.~ Material contains aluminum compound wherein aluminum atom is not bonded to hydrogen or carbon atom
155  DF  .~.~.~.~.~ Contains non-transition elemental metal, hydride thereof or carbon to non transition metal atom bond
156  DF  .~.~.~.~.~.~ Inorganic oxygen containing aluminum compound
157  DF  .~.~.~.~.~.~ Aluminum trihalide
158  DF  .~.~.~.~.~.~.~ With Group IVB transition metal compound (Ti, Zr, Hf)
159  DF  .~.~.~.~ Material contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond
160  DF  .~.~.~.~.~ Transition metal bonded to carbon atom
161  DF  .~.~.~.~.~ Transition metal compound contains P, S, or N atom
162  DF  .~.~.~.~.~ Non-transition metal is bonded to carbon atom in compound which contains ethylenic unsaturation
163  DF  .~.~.~.~.~ Non-transition metal hydride or carbon to non-transition metal metal atom bond compound contains P, S, or N atom
164  DF  .~.~.~.~.~ Transition metal is IB, IIIB, VIIB or atomic number 58-71, 88, 90 or higher
165  DF  .~.~.~.~.~ Non-transition metal to carbon atom bond compound contains at least two atoms of same or different non-transition metal
166  DF  .~.~.~.~.~ Group IVA (Ge, Sn, Pb) or Group VA (As, Sb, Bi) metal is bonded to hydrogen or carbon atom
167  DF  .~.~.~.~.~ Elemental non-transition metal atom
168  DF  .~.~.~.~.~ Elemental carbon
169  DF  .~.~.~.~.~ Transition metal is Group VB, VIB or VIII metal
169.1  DF  .~.~.~.~.~.~ Transition metal is Group VIII
169.2  DF  .~.~.~.~.~.~ Transition metal is vanadium
169.3  DF  .~.~.~.~.~ At least one monomer is nonhydrocarbon material
170  DF  .~.~.~.~ Transition metal bonded to carbon atom
171  DF  .~.~.~.~.~ Transition metal is Group VIII (Fe, Co, Ni, Ru, Ph, Pd, Os, Ir, Pt)
172  DF  .~.~.~.~ Transition metal compound has at least one atom of P, S, N or O therein
173  DF  .~.~.~ Material contains elemental alkali metal, hydride thereof, or alkali metal to carbon atom bond (Li, Na, K, Rb, Cs, Fr)
174  DF  .~.~.~.~ Contains at least two diverse alkali metal atoms, at least one of which is in the form of a free alkali metal, or in the form of a hydride, or has an alkali metal to carbon atom bond
175  DF  .~.~.~.~ Contains two or more separate chemical entities containing atoms of the same alkali metal, with at least one atom in elemental form, or in the form of a hydride, or has an alkali metal to carbon atom bond
176  DF  .~.~.~.~ Contains heavy metal atom
177  DF  .~.~.~.~ Contains aluminum atom
178  DF  .~.~.~.~ Contains boron or silicon atom
179  DF  .~.~.~.~ Contains phosphorus atom
180  DF  .~.~.~.~ Contains compound of nitrogen
181  DF  .~.~.~.~ Contains oxygen atom
182  DF  .~.~.~.~ Contains halogen atom
183  DF  .~.~.~ Material contains metal atom bonded to a carbon atom
184  DF  .~.~.~.~ With free oxygen or peroxy compound (-O-O-)
185  DF  .~.~.~.~ Metal bonded to carbon is aluminum
186  DF  .~.~.~.~.~ Contains aluminum not bonded to carbon
187  DF  .~.~.~.~.~ Contains Group IA or IIA atom
188  DF  .~.~.~.~.~ Contains heavy metal atom
189  DF  .~.~.~.~.~ Contains P, N, S, or O atom
190  DF  .~.~.~.~ Metal bonded to carbon atom is a heavy metal atom
191  DF  .~.~.~ Material contains elemental metal
192  DF  .~.~.~ Material contains a heavy metal atom containing organic compound
193  DF  .~.~.~ Material contains organic compound having a phosphorus atom
194  DF  .~.~.~ Material contains Si, Te, Se, or Group VIIIA atom, e.g., He, Ne, etc.
195  DF  .~.~.~ Material contains boron compound other than boron trihalide or non-metal organic complex of boron trihalide
196  DF  .~.~.~.~ Boron bonded to hydrogen or carbon atom compound
197  DF  .~.~.~.~.~ With free oxygen or peroxy compound
198  DF  .~.~.~.~.~ Contains P, S, or N atom other than as elemental nitrogen
199  DF  .~.~.~ Material contains polypeptide, e.g., protein, gelatin, etc.
200  DF  .~.~.~ Material contains carbohydrate, e.g., starch, sugar, etc.
201  DF  .~.~.~ Material contains previously formed normally solid polymer which is distinct from polymer to be formed and is a polymer formed from at least one ethylenic monomer
202  DF  .~.~.~.~ Normally solid polymer contains free alcohol group or alcoholate thereof
203  DF  .~.~.~.~ Normally solid polymer is formed from ethylenically unsaturated dicarboxylic acid, ester, salt, or anhydride thereof
204  DF  .~.~.~ Material contains heterocyclic compound
205  DF  .~.~.~.~ Sulfur and nitrogen together in a single ring
206  DF  .~.~.~ Material contains halogenated hydrocarbon wherein at least one halogen atom is other than chlorine, and mixtures of water and a halogenated hydrocarbon one ethylenic monomer
207  DF  .~.~.~ Material contains water and a hydrocarbon
208  DF  .~.~.~ Material contains aldehyde or ketone or polymeric reaction product thereof, e.g., urea-formaldehyde, etc.
209  DF  .~.~.~ Material contains ether
210  DF  .~.~.~ Material contains alcohol or alcoholate
211  DF  .~.~.~.~ Alcohol or alcoholate has at least one atom of nitrogen or sulfur chemically combined therewith
212  DF  .~.~.~.~ Alcohol contains a single hydroxy group or is alcoholate thereof
213  DF  .~.~.~ Material contains carboxylic acid, salt, ester, or anhydride thereof
214  DF  .~.~.~.~ Derived from carboxylic acid containing at least one atom of halogen or sulfur
215  DF  .~.~.~.~ Derived from carboxylic acid containing at least one atom of nitrogen
216  DF  .~.~.~.~ Derived from aliphatic acid
217  DF  .~.~.~ Material contains organic nitrogen compound
218.1  DF  .~.~.~.~ Organic compound contains N=N or N-N group
219  DF  .~.~.~.~.~ Organic N-N or N=N containing compound also contains at least one S or O chemically bound therein
219.1  DF  .~.~.~.~.~ Organic N=N or N-N group containing compound contains carbocyclic group or element other than C,H, or N
219.2  DF  .~.~.~.~.~ N=N or N-N group-containing compound is a catalyst admixed with at least one other catalyst, co-catalyst, or accelerator, e.g., redox catalyst, etc.
219.3  DF  .~.~.~.~.~ Contains specified ingredient other than the N=N or N-N group containing compound, or water, or defined hydrocarbon or defined halogenated hydrocarbon
219.4  DF  .~.~.~.~.~.~ Ingredient contains halogenated hydrocarbon
219.5  DF  .~.~.~.~.~.~ Ingredient contains water, e.g., an emulsion, dispersion, etc.
219.6  DF  .~.~.~.~.~ Azobisisobutyronitrile (AIBN)
220  DF  .~.~.~.~ Organic nitrogen compound contains at least one S or O atom chemically bound therein
221  DF  .~.~.~ Material contains inorganic heavy metal compound
222  DF  .~.~.~ Material contains organic sulfur compound
223  DF  .~.~.~.~ Organic sulfur compound contains -S-S- or -O-O-group
224  DF  .~.~.~.~ Mercaptan
225  DF  .~.~.~.~ Organic compound contains hexavalent S atom, e.g., organosulfate, sulfonate, etc.
226  DF  .~.~.~ Material contains aluminum compound other than aluminum trihalide or nonmetallic organic complex of aluminum trihalide
227  DF  .~.~.~ Material contains peroxy group compound (-O-O-)
228  DF  .~.~.~.~ Two or more peroxide compounds
229  DF  .~.~.~.~ Inorganic peroxide, e.g., persulfate, hydrogen peroxide, etc.
229.5  DF  .~.~.~.~.~ Nitrogen- or halogen-containing inorganic -0-0- compound free of sulfur, or wherein an -0-0- compound is in admixture with a compound devoid of sulfur and containing a N, halogen or P atom
230  DF  .~.~.~.~ Hydroperoxide
230.5  DF  .~.~.~.~ Peroxy carbonate
231  DF  .~.~.~.~ Peroxide contains halogen atom chemically combined therein
232  DF  .~.~.~.~ Peroxide contains an aryl group
232.1  DF  .~.~.~.~.~ Benzoyl peroxide
232.3  DF  .~.~.~.~ Two or more peroxy groups in same compound
232.5  DF  .~.~.~.~ Cycloaliphatic or ethylenically unsaturated peroxy-containing compound
233  DF  .~.~.~ Material contains elemental phosphorus or inorganic phosphorus compound
234  DF  .~.~.~ Material contains sulfur or inorganic sulfur compound
235  DF  .~.~.~ Material contains free oxygen, air, or ozone
236  DF  .~.~.~ Material contains nitrogen compound
237  DF  .~.~.~ Material contains metal halide, boron halide or organic complexes thereof, hydrogen halide, elemental halogen, or compound containing only halogen atoms
238  DF  .~.~.~.~ At least one monomer is nonhydrocarbon material
238.1  DF  .~.~ From protein or biologically active polypeptide containing monomer
238.2  DF  .~.~ From carbohydrate, tannin, or derivative containing monomer
238.21  DF  .~.~.~ Cellulose or derivative containing monomer
238.22  DF  .~.~.~ Starch or derivative containing monomer, e.g., starch-acrylamide, etc.
238.23  DF  .~.~.~ Mono- or di-saccharide containing monomer, e.g., allyl sucrose, etc.
238.3  DF  .~.~ From natural resin or derivative containing monomer
239  DF  .~.~ From boron containing monomer
240  DF  .~.~ From metal containing monomer
241  DF  .~.~.~ Transition metal containing
242  DF  .~.~ From fluorine containing monomer
243  DF  .~.~.~ Fluorine-containing monomer contains a sulfur atom
244  DF  .~.~.~ Fluorine-containing monomer is a ketone or aldehyde
245  DF  .~.~.~ Fluorine containing monomer is a mono-carboxylic acid ester
246  DF  .~.~.~.~ Alcohol derived portion of ester contains ether group
247  DF  .~.~.~ Fluorine containing monomer is an ether
248  DF  .~.~.~ Fluorine containing monomer contains nitrogen atom
249  DF  .~.~.~ Fluorine containing monomer contains at least one diverse halogen atom
250  DF  .~.~.~ Fluorine containing monomer contains F, C and H only or F and C only
251  DF  .~.~.~.~ Aromatic
252  DF  .~.~.~.~ Fluorine compound contains two or more ethylenic groups
253  DF  .~.~.~.~ Five or more fluorine atoms
254  DF  .~.~.~.~.~ Contains only carbon and fluorine atoms
255  DF  .~.~.~.~ Two or more fluorine atoms, e.g., vinylidene fluoride, etc.
256  DF  .~.~ From monomer containing sulfur atom as part of a heterocyclic ring
257  DF  .~.~.~ Sulfur-containing ring contains additional hetero atom, i.e., N, O, Se, Te
258  DF  .~.~ From monomer containing nitrogen atom as part of a heterocyclic ring
259  DF  .~.~.~ Nitrogen atom is part of a bridged or fused ring system
260  DF  .~.~.~ 5- or 6-membered nitrogen ring compound having at least one oxygen in the ring
261  DF  .~.~.~ Three or more nitrogen atoms in a single ring
262  DF  .~.~.~ Imide monomer
263  DF  .~.~.~ Nitrogen of ring is bonded directly or indirectly to extracyclic ethylenic moiety
264  DF  .~.~.~.~ Lactam monomer
265  DF  .~.~.~ 6-membered ring contains a single nitrogen atom
266  DF  .~.~ From monomer containing oxygen as part of a heterocyclic ring
267  DF  .~.~.~ Polymer contains coumarone and indene
268  DF  .~.~.~ From cyclic ether which is bridged or fused to a ring system
269  DF  .~.~.~ Hetero-oxygen ring compound contains a carbonate group, i.e., -O-C(=O)-O as ring atoms
270  DF  .~.~.~ 5-membered heterocyclic ring compound contains at least one oxygen atom
271  DF  .~.~.~.~ Acid anhydride
272  DF  .~.~.~.~.~ Interpolymerized with hydrocarbon monomer
273  DF  .~.~.~ 3-membered heterocyclic ring contains at least one oxygen atom
274  DF  .~.~ From monomer containing a phosphorus atom
275  DF  .~.~.~ Phosphorus is part of a ring
276  DF  .~.~.~ Phosphorus is bonded to a nitrogen atom
277  DF  .~.~.~ Phosphorus atom is pentavalent
278  DF  .~.~.~.~ Pentavalent phosphorus is bonded to at least one atom of carbon
279  DF  .~.~ From monomer containing a silicon atom
280  DF  .~.~ From fused or bridged ring containing monomer
281  DF  .~.~.~ Bridged monomer
282  DF  .~.~.~.~ Contains an exterior ethylenic substituent bonded to a single carbon atom of the bridged ring system
283  DF  .~.~.~.~ Compound containing dicyclopentadiene moiety
284  DF  .~.~.~ Contains an exterior ethylenic substituent bonded directly or indirectly to a single carbon atom of the fused ring system
285  DF  .~.~ From monomer containing an acetylenic group
286  DF  .~.~ From S-containing monomer
287  DF  .~.~.~ From monomer containing three or more oxygen atoms bonded to a single sulfur atom, e.g., sulfonate, etc.
288  DF  .~.~.~ From sulfur monomer containing nitrogen atom
289  DF  .~.~.~ From sulfide-containing monomer
290  DF  .~.~ Monomer from unsaturated petroleum hydrocarbon fraction; from unsaturated coal or bituminous material, extract, or derivative thereof; or from unsaturated fatty still residue
291  DF  .~.~ From halogen containing monomer having at least three carbon atoms
292.1  DF  .~.~.~ Halogen monomer is carboxylic acid ester
292.2  DF  .~.~.~.~ Contains nitrogen
292.3  DF  .~.~.~.~ Contains oxygen other than as part of a carboxylic acid ester group
292.4  DF  .~.~.~.~ Contains two or more carboxylic acid ester groups
292.5  DF  .~.~.~.~ Contains carbocyclic ring, e.g., aryl, etc.
292.6  DF  .~.~.~.~ Interpolymerized with a monomer containing atom other than carbon, hydrogen, or halogen
292.7  DF  .~.~.~.~ Interpolymerized
292.8  DF  .~.~.~ Halogen monomer is nitrile
292.9  DF  .~.~.~ Halogen monomer contains an ether group
292.95  DF  .~.~.~ Halogen monomer contains a carboxylic acid, salt, or carboxylic acid amide
293  DF  .~.~.~ Aromatic
294  DF  .~.~.~ Plural halogen atom
295  DF  .~.~.~ Plural ethylenic groups
296  DF  .~.~ From bromine or iodine containing monomer, dichloroethylene, trichloroethylene or tetrachloroethylene
297  DF  .~.~ From nitrile group containing monomer other than acrylonitrile or methacrylonitrile
298  DF  .~.~.~ Contains non-nitrile nitrogen atom or contains an oxygen atom
299  DF  .~.~.~ Aromatic
300  DF  .~.~.~ Plural nitrile group-containing
301  DF  .~.~ From monomer containing a >N-C(=O)-O- group, e.g., carbamic acid, etc.
302  DF  .~.~ From monomer containing a >>N-C(=O)-N<< or >>N-C(-O)-N<< group e.g., urea, isoureau, etc.
303.1  DF  .~.~ From carboxylic acid amide-containing monomer
304  DF  .~.~.~ Contains oxygen atom other than in amide form bonded to a carbon atom
305  DF  .~.~.~ Cycloaliphatic or aromatic
306  DF  .~.~.~ Plural amide group containing
307  DF  .~.~.~ Non-amide nitrogen containing
307.1  DF  .~.~.~ N- substituted unsaturated hydrocarbon group
307.2  DF  .~.~.~ With monomer containing carboxylic acid amide group
307.3  DF  .~.~.~ With monomer containing nitrogen other than (meth)-acrylonitrile
307.4  DF  .~.~.~ With monomer containing oxygen
307.5  DF  .~.~.~.~ Oxygen atom is part of ether or hydroxyl group
307.6  DF  .~.~.~.~ Oxygen atom is part of carboxylic acid group
307.7  DF  .~.~.~.~ Oxygen atom is part of ester group derived from unsaturated carboxylic acid
307.8  DF  .~.~.~ With hydrocarbon monomer
308  DF  .~.~ From cycloaliphatic monomer
309  DF  .~.~.~ Contains atoms other than carbon and hydrogen
310  DF  .~.~ From nitrogen containing monomer other than acrylonitrile or methacrylonitrile
311  DF  .~.~.~ Nitrogen bonded to oxygen atom (including nitrogen containing salts)
312  DF  .~.~.~ Contains oxygen atom bonded to a carbon atom
313  DF  .~.~ From phenol, phenol ether, or inorganic phenolate monomer
314  DF  .~.~ From monomer containing a carbonate group, i.e., -O-C(=O)-O-
315  DF  .~.~ From aldehyde monomer
316  DF  .~.~ From ketone or ketene monomer
317.1  DF  .~.~ From carboxylic acid monomer
318  DF  .~.~.~ Carboxylic acid contains ester group
318.1  DF  .~.~.~ Carboxylic acid contains aryl group, or two or more ethylenic groups
318.2  DF  .~.~.~ Carboxylic acid contains two or more carboxyl groups
318.25  DF  .~.~.~.~ With hydrocarbon, vinyl chloride or vinylidene chloride monomer
318.3  DF  .~.~.~ Carboxylic acid other than acrylic or methacrylic acid
318.4  DF  .~.~.~ With ester monomer
318.41  DF  .~.~.~.~ Monomer contains chalcogen other than in C(=O)-O- chalcogen in any monomer)
318.42  DF  .~.~.~.~.~ Hydroxyl group
318.43  DF  .~.~.~.~ Monomer contains two or more ester groups
318.44  DF  .~.~.~.~ Two or more ester monomers
318.45  DF  .~.~.~.~ With hydrocarbon monomer
318.5  DF  .~.~.~ With chalcogen containing monomer, e.g., additional carboxyl monomer, etc.
318.6  DF  .~.~.~ With hydrocarbon monomer
319  DF  .~.~ From carboxylic acid ester monomer
320  DF  .~.~.~ Ether or hydroxy containing
321  DF  .~.~.~ Monomer containing at least two carboxylic acid ester groups
322  DF  .~.~.~.~ Derived from an ethylenically unsaturated alcohol
323  DF  .~.~.~.~.~ Derived from an ethylenically unsaturated acid containing plural carboxylic acid groups
323.1  DF  .~.~.~.~ Diester derived from an ethylenically unsaturated monocarboxylic acid and polyol
323.2  DF  .~.~.~.~.~ With additional monomer
324  DF  .~.~.~.~ Interpolymerized with hydrocarbon monomer
325  DF  .~.~.~.~ Interpolymerized with monomer of diverse carboxylic ester
326  DF  .~.~.~ Aromatic
327  DF  .~.~.~ Derived from an ethylenically unsaturated carboxylic acid and an ethylenically unsaturated alcohol
328  DF  .~.~.~ Derived from an ethylenically unsaturated carboxylic acid
328.5  DF  .~.~.~.~ With additional monomer
329  DF  .~.~.~.~.~ Interpolymerized with hydrocarbon monomer
329.1  DF  .~.~.~.~.~.~ Hydrocarbon monomer containing at least two ethylenic groups, e.g., butadiene, etc.
329.2  DF  .~.~.~.~.~.~ Aromatic, e.g., styrene, etc.
329.3  DF  .~.~.~.~.~ Additional monomer is acrylonitrile or methacrylonitrile
329.4  DF  .~.~.~.~.~ Additional monomer is a halogen-containing monomer
329.5  DF  .~.~.~.~.~ Additional monomer is an ester derived from saturated carboxylic acid
329.6  DF  .~.~.~.~.~ Additional monomer contains an ether group
329.7  DF  .~.~.~.~ Polymer derived from methyl acrylate or methyl methacrylate
330  DF  .~.~.~ Interpolymer of an ester derived from ethylenically unsaturated alcohol, e.g., interpolymer of vinyl acetate, etc.
331  DF  .~.~.~.~ Interpolymerized with hydrocarbon monomer
332  DF  .~.~ From monomer containing an ether group
333  DF  .~.~.~ Plural ether groups
334  DF  .~.~.~ Aromatic or plural ethylenic groups
335  DF  .~.~ From hydrocarbon monomer containing at least two ethylenic groups, e.g., butadiene, etc.
336  DF  .~.~.~ Ethylenic groups are non-conjugated, e.g., divinylbenzene, etc.
337  DF  .~.~.~ Interpolymerized with at least one diverse hydrocarbon monomer containing at least two ethylenic groups
338  DF  .~.~.~ Interpolymerized with non-hydrocarbon monomer
339  DF  .~.~.~ Interpolymerized with aliphatic hydrocarbon
340  DF  .~.~.~ Interpolymerized with aromatic hydrocarbon
340.1  DF  .~.~.~ Polymerized in the presence of a water medium
340.2  DF  .~.~.~ From hydrocarbon having only five carbon atoms
340.3  DF  .~.~.~ From hydrocarbon having at least six carbon atoms
340.4  DF  .~.~.~ Butadiene homopolymer contains at least 75% cis-1,4-configuration
341  DF  .~.~ From acrylonitrile or methacrylonitrile
342  DF  .~.~.~ Interpolymerized
343  DF  .~.~ From vinylidene chloride
344  DF  .~.~ From vinyl chloride
344.1  DF  .~.~.~ Bulk or mass polymerization of vinyl chloride only
344.2  DF  .~.~.~ Polymerization of vinyl chloride only in an aqueous medium
344.3  DF  .~.~.~ Polyvinyl chloride characterized by physical shape, e.g., fiber, sheet, etc.
345  DF  .~.~.~ Interpolymerized
346  DF  .~.~ From aromatic hydrocarbon
347  DF  .~.~.~ Interpolymerized
347.1  DF  .~.~.~ Monomer other than styrene
347.2  DF  .~.~.~ Crystalline polystyrene
348  DF  .~.~ From hydrocarbon
348.1  DF  .~.~.~ Stretched product
348.2  DF  .~.~.~ At least six carbon atoms
348.3  DF  .~.~.~.~ Ten or more carbon atoms
348.4  DF  .~.~.~.~ Six carbon atoms only
348.5  DF  .~.~.~.~.~ N-hexene
348.6  DF  .~.~.~ At least four carbon atoms
348.7  DF  .~.~.~.~ Isobutylene
348.8  DF  .~.~.~ With nonhydrocarbon monomer
351  DF  .~.~.~ From propylene only
352  DF  .~.~.~ From ethylene only
352.2  DF  .~.~.~.~ Low density
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
901  DF  MONOMER POLYMERIZED IN VAPOR STATE IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST
902  DF  MONOMER POLYMERIZED IN BULK IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST
903  DF  MONOMER POLYMERIZED IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST AND HYDROCARBON ADDITIVE AFFECTING POLYMER PROPERTIES OF CATALYST ACTIVITY
904  DF  MONOMER POLYMERIZED IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST AT LEAST PART OF WHICH IS SUPPORTED ON A POLYMER; E.G., PREPOLYMERIZED CATALYSTS, ETC.
905  DF  POLYMERIZATION IN PRESENCE OF TRANSITION METAL CONTAINING CATALYST IN PRESENCE OF HYDROGEN
906  DF  COMMINUTION OF TRANSITION METAL CONTAINING CATALYST
907  DF  SPECIFIED MEANS OF REACTING COMPONENTS OF TRANSITION METAL CATALYST
908  DF  CONTAINING CATALYST OF SPECIFIED PARTICLE SIZE
909  DF  POLYMERIZATION CHARACTERIZED BY PARTICLE SIZE OF PRODUCT
910  DF  SUSPENDING AGENTS
911  DF  EMULSIFYING AGENTS
912  DF  REACTION MEDIUM PURIFICATION
913  DF  VAPOR PHASE POLYMERIZATION IN ABSENCE OF TRANSITION METAL CONTAINING CATALYST
914  DF  POLYMER DEGRADATION
915  DF  REDOX CATALYST
916  DF  INTERPOLYMER FROM AT LEAST THREE ETHYLENICALLY UNSATURATED MONOOLEFINIC HYDROCARBON MONOMERS
917  DF  MANIPULATIVE PROCESSES INVOLVING A SULFUR-CONTAINING TREATING AGENT
918  DF  POLYMERIZATION REACTORS FOR ADDITION POLYMER PREPARATION
919  DF  CATALYST INJECTION TECHNIQUE IN ADDITION POLYMERIZATION PROCESSES
920  DF  APPARATUS FOR USE IN ADDITION POLYMERIZATION PROCESSES
921  DF  TIME CYCLE USED IN ADDITION POLYMERIZATION PROCESS CONTROL
922  DF  POLYMERIZATION PROCESS OF ETHYLENIC MONOMERS USING MANIPULATIVE TECHNIQUE
923  DF  ETHYLENIC MONOMERS CONTAINING AT LEAST ONE SALT GROUP
******************************
*Note. The following.........*
*subclasses pertain only to..*
*subclasses 317.1 and 318.1..*
*to 318.5. ..................*
******************************
930  DF  WATER SWELLABLE OR HYDROPHILIC
931  DF  PRESSURE SENSITIVE ADHESIVE
932  DF  THICKENER OR DISPERSANT FOR AQUEOUS SYSTEM
933  DF  DETERGENT PROPERTY OR LUBRICANT ADDITIVE
934  DF  ELECTRODEPOSIT, E.G., ELECTROPHORETIC, XEROGRAPHIC, ETC.
935  DF  HOT MELT ADHESIVE
936  DF  PHYSIOLOGICAL USE, E.G., PHARMACEUTICAL, VETERINARY, DENTAL, ETC.
937  DF  OPTICAL CLARITY
938  DF  RUBBERY PROPERTY
939  DF  MOSITURE PROOF OR HYDROPHOBIC
940  DF  HIGH SOFTENING TEMPERATURE, E.G., EXPOSURE TO BOILING WATER, BOILABLE, ETC.
****************************** *NOTE. The following........* *subclass pertains only to...* *Subclasses 124.2 to 125.8...* ******************************
941  DF  HAVING THE TRANSITION METAL BONDED DIRECTLY TO CARBON
942  DF  POLYMERIZATION IN THE PRESENCE OF A LIQUID CO2 DILUENT
943  DF  POLYMERIZATION WITH METALLOCENE CATALYSTS