US Patent Class 252
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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  MISCELLANEOUS (E.G., ARTIFICIAL SNOW)
2  DF  FIRE-EXTINGUISHING
3  DF  .~ Foam or gas phase containing
4  DF  .~ Gas generative, chemically
5  DF  .~.~ Dry, combustion type
6  DF  .~.~ Low temperature chemically interreactive
6.5  DF  .~.~.~ Foam-stabilizant or colloid-stabilizant containing
7  DF  .~.~ Carbonates or ammonium salts containing or pyrolytic
8  DF  .~ Volatile or gas charged liquids containing
8.05  DF  .~ Foam-stabilizant or colloid-stabilizant containing
601  DF  FIRE RETARDING
602  DF  .~ Having disparate function
603  DF  .~ For living matter
604  DF  .~ Material physically quantified
605  DF  .~ Containing gas
606  DF  .~ Intumescent
607  DF  .~ For wood or cellulosic material other than textile
608  DF  .~ For textile (i.e., woven material)
609  DF  .~ For solid synthetic polymer and reactants thereof
610  DF  .~ Dispersion or colloidal system
611  DF  .~.~ For dispersion or collodial system
8.57  DF  LEATHER OR FUR TREATING (OTHER THAN CLEANING COMPOSITIONS OR AUXILIARY COMPOSITIONS FOR CLEANING)
8.61  DF  DURABLE FINISHES FOR TEXTILE MATERIALS, OR PROCESSES OF PREPARING (E.G., CREASE RESISTANT, MOISTURE ABSORBENT, ANTISTATIC, ETC., FINISHES)
8.62  DF  .~ Oil or water repellent or soil resistant or retardant
8.63  DF  .~ Textile softening
8.81  DF  TEXTILE PROCESSING AID COMPOSITIONS, OR PROCESSES OF PREPARING (E.G., LUBRICANTS OR ANTISTATIC AGENTS FOR FIBER, YARN, FABRIC, ETC.)
8.82  DF  .~ For tire cord yarn, elastomeric filaments, or biologically innocuous or absorbable fibers (e.g., spandex, textiles used in food packaging, absorbable surgical sutures, etc.)
8.83  DF  .~ Sizing agents (e.g., for weaving yarn, etc.)
8.84  DF  .~ For textile materials consisting wholly or in part of noncellulosic synthetic fibers (e.g., spin finish for nylon, polyester, acrylic, etc., fibers; lubricants for blends thereof with diverse fibers, etc.)
8.85  DF  .~ For textile materials consisting wholly or in part of animal hair fibers (e.g., wool, etc.)
8.86  DF  .~ For textile materials consisting wholly or in part of silk or cellulose- based fibers (e.g., cotton; artificial silk, such as rayon, cellulose acetate, etc., or blends thereof; silk soaking compositions; etc.)
8.91  DF  COMPOSITIONS FOR ENHANCING THE APPEARANCE OF CONSUMER TEXTILE GOODS (OTHER THAN CLEANING COMPOSITIONS OR AUXILIARY COMPOSITIONS FOR CLEANING), OR PROCESSES OF PREPARING (E.G., ANTISTATIC OR WRINKLE-REMOVING SPRAY FOR GARMENTS, ETC.)
67  DF  VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE
68  DF  .~ With lubricants, or warning, stabilizing or anti-corrosion agents or persistent gases
69  DF  .~ With low-volatile solvent or absorbent
60  DF  PHYSICAL SEPARATION AGENTS
61  DF  .~ Froth-flotation or differential adherence
62  DF  HEAT OR SOUND INSULATING
62.2  DF  ELECTROLYTES FOR ELECTRICAL DEVICES (E.G., RECTIFIER, CONDENSER)
62.3 R  DF  BARRIER LAYER DEVICE COMPOSITIONS
62.3 T  DF  .~ Thermoelectric
62.3 Q  DF  .~ Organic
62.3 E  DF  .~ Free element containing
62.3 S  DF  .~.~ Selenium or tellurium
62.3 GA  DF  .~ Group III element containing binary compound; e.g., Ga, As
62.3 ZB  DF  .~ Groups II and V elements containing binary compund; e.g., zinc, bismuth
62.3 ZT  DF  .~ Groups II and VI elements containing binary compound; e.g., Zn, Te
62.3 V  DF  .~ Group VI element-containing
62.3 BT  DF  .~.~ Containing Group IV element and oxygen; e.g., barium, titanium III oxide
62.3 C  DF  .~ Binary alloy or carbide; e.g., Al, In, LiC
62.51 R  DF  MAGNETIC
62.52  DF  .~ Flaw detection or magnetic clutch
62.53  DF  .~ With wax, bitumen, resin, or gum
62.54  DF  .~.~ Synthetic resin
62.55  DF  .~ Free metal or alloy containing
62.56  DF  .~ Iron-oxygen compound containing
62.57  DF  .~.~ With scandium, yttrium, gallium, rare earth, or actinide
62.58  DF  .~.~ With boron, aluminum, thallium, or indium
62.59  DF  .~.~ With titanium, zirconium, silicon, hafnium, germanium, or tin
62.6  DF  .~.~ With Group I metal
62.61  DF  .~.~.~ Lithium
62.62  DF  .~.~ With Group II metal or lead
62.63  DF  .~.~.~ Calcium, barium, strontium, or lead
62.64  DF  .~.~.~ Magnesium
62.51 C  DF  .~ Chromium or chromium compound containing
62.9 R  DF  PIEZOELECTRIC
62.9 PZ  DF  .~ Lead, zirconium, titanium or compound thereof containing
567  DF  DEFINED LIQUID DIELECTRIC DISPERSED IN DEFINED WEB OR SHEET
570  DF  FLUENT DIELECTRIC
571  DF  .~ Gaseous or gas-containing
572  DF  .~ Metal- or insoluble component-containing; e.g., slurry, grease, etc.
573  DF  .~ Si-containing
574  DF  .~ B-, P-, S-, Se-, or Te-containing
575  DF  .~ N-containing
576  DF  .~.~ O in N compound
577  DF  .~.~.~ Nitro or nitroso compound
578  DF  .~ O-containing
579  DF  .~.~ Carboxylic acid ester
580  DF  .~.~ Halogen-containing
581  DF  .~ Halogenated polycyclic compound-containing
70  DF  FROST-PREVENTING, ICE-THAWING, THERMOSTATIC, THERMOPHORIC, OR CRYOGENIC
71  DF  HEAT-EXCHANGE, LOW-FREEZING OR POUR POINT, OR HIGH BOILING COMPOSITIONS
72  DF  .~ With leak-stopping agents
73  DF  .~ Organic components
74  DF  .~.~ Metal compounds or inorganic components (except water)
75  DF  .~.~.~ Organic compounds of nonmetals other than C, H, and O
76  DF  .~.~.~ Carboxylic organic compounds containing
77  DF  .~.~ Organic compounds of nonmetals other than C, H, and O
78.1  DF  .~.~.~ Organic compounds of nonmetals other than C, H, O, and N
78.3  DF  .~.~.~.~ Organic Si containing compounds
78.5  DF  .~.~.~.~ Organic P containing compounds
79  DF  .~.~ Carboxylic organic compounds containing
79.1  DF  ETCHING OR BRIGHTENING COMPOSITIONS
79.2  DF  .~ Inorganic acid containing
79.3  DF  .~.~ Fluorine compound containing
79.4  DF  .~.~ With organic material
79.5  DF  .~ Alkali metal hydroxide containing
88.1  DF  DUST SUPPRESSANTS FOR BULK MATERIALS, OR PROCESSES OF PREPARING (E.G., FOR CONSOLIDATING DUST IN COAL MINES, CONTROLLING SOIL EROSION, ETC.)
88.2  DF  COMPOSITIONS FOR COATING OR IMPREGNATING A SUBSTRATE USED FOR COLLECTING FINE PARTICLES BY ADHERENCE, OR PROCESSES OF PREPARING (E.G., FOR IMPREGNATING DUSTING CLOTHS, DUST FILTERS, ETC.)
175  DF  WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS
176  DF  .~ Packages or heterogeneous arrangements
178  DF  .~ Deoxidant or free-metal containing
179  DF  .~ Water-insoluble base-exchange agent containing
180  DF  .~ Plant or organic material containing
181  DF  .~.~ With inorganic matter other than alkali-metal hydroxides and carbonates and water
181.1  DF  GETTERS OR GAS OR VAPOR GENERATING MATERIALS FOR ELECTRIC LAMPS, ELECTRIC SPACE DISCHARGE DEVICES, AND SIMILAR DEVICES
181.2  DF  .~ Plural getter and/or gas or vapor generating materials
181.3  DF  .~ Reactive compositions
181.4  DF  .~.~ Containing magnesium, alkali-metal and alkaline-earth metal, or compound thereof
181.5  DF  .~ Gaseous getters
181.6  DF  .~ Metal or metal compound containing
181.7  DF  .~.~ Magnesium, alkali-metal, or alkaline-earth metal
194  DF  HUMIDOSTATIC, WATER REMOVIVE, BINDIVE, OR EMISSIVE
******************************
*CLASS 502, CATALYST, SOLID..*
*SORBENT OR SUPPORT THEREFOR,*
*PRODUCT OR PROCESS OF.......*
*MAKING. CLASS 502 IS TO BE..*
*CONSIDERED AS OCCUPYING.....*
*THIS POSITION IN THE CLASS..*
*252 SCHEDULE FOR PURPOSES...*
*OF CLASSIFICATION OF A......*
*COMPOSITION HAVING A .......*
*DISCLOSED OR CLAIMED........*
*FUNCTION OR PROPERTY........*
*PROVIDED FOR IN CLASS 252...*
*IN ADDITION TO A CATALYTIC..*
*OR SORPTURE USE. ...........*
******************************
478  DF  X-RAY OR NEUTRON SHIELD
500  DF  ELECTRICALLY CONDUCTIVE OR EMISSIVE COMPOSITIONS
501.1  DF  .~ Light sensitive
502  DF  .~ Elemental carbon containing
503  DF  .~.~ With free metal
504  DF  .~.~ With carbide
505  DF  .~.~ With radioactive material
506  DF  .~.~ With metal compound
507  DF  .~.~.~ Titanium or zirconium compound
508  DF  .~.~.~ Aluminum compound
509  DF  .~.~.~ Magnesium, alkaline earth metal, or rare earth metal compound
510  DF  .~.~ With organic component
511  DF  .~.~.~ Resin, rubber, or derivative thereof containing
512  DF  .~ Free metal containing
513  DF  .~.~ Iron group metal (iron, cobalt, nickel)
514  DF  .~.~ Noble metal (gold, silver, ruthenium, rhodium, palladium, osmium, iridium, platinum)
515  DF  .~.~ Tungsten
516  DF  .~ Carbide containing
517  DF  .~ Radioactive material containing
518.1  DF  .~ Metal compound containing
519.1  DF  .~.~ Compound viewed as composition (i.e., wherein atoms or molecules in a chemical formula are not present as whole small integer values or cannot be multiplied by a single-digit factor to yield integer values)
519.12  DF  .~.~.~ Titanium containing
519.13  DF  .~.~.~ Bismuth, ruthenium, or iridium containing
519.14  DF  .~.~.~ Sulfur, tellurium, selenium, nitrogen, phosphorus, or boron containing
519.15  DF  .~.~.~ Four diverse metals containing
519.2  DF  .~.~ Organometallic (e.g., soap, complex, etc.)
519.21  DF  .~.~.~ With additional organic compound
519.3  DF  .~.~ With organic compound
519.31  DF  .~.~.~ The organic compound contains silicon
519.32  DF  .~.~.~ The organic compound is a natural resin, protein, lignin, carbohydrate, or derivative thereof
519.33  DF  .~.~.~ The organic compound is a polymer
519.34  DF  .~.~.~.~ The metal compound contains halogen, sulfur, selenium, phosphorus, arsenic, boron, or nitrogen
519.4  DF  .~.~ Sulfur, selenium, or tellurium containing
519.5  DF  .~.~ Zinc compound
519.51  DF  .~.~.~ Additional diverse metal containing
519.52  DF  .~.~.~ With boron compound
519.53  DF  .~.~.~ With halogen compound
519.54  DF  .~.~.~ Silicon containing or with compound of bismuth or silicon
520.1  DF  .~.~ Tin compound
520.2  DF  .~.~ Titanium or zirconium compound
520.21  DF  .~.~.~ Additional diverse metal containing
520.22  DF  .~.~.~ Boron, silicon, phosphorus, nitrogen, hydrogen, carbon, or halogen containing
520.3  DF  .~.~ Silver, gold, or platinum compound
520.4  DF  .~.~ Vanadium compound
520.5  DF  .~.~ Tungsten or yttrium compound
521.1  DF  .~.~ Rare earth metal compound
521.2  DF  .~.~ Iron, cobalt, or nickel compound
521.3  DF  .~.~ Silicon containing or with silicon compound
521.4  DF  .~.~ Boron containing or with boron compound
521.5  DF  .~.~ Halogen, carbon, phosphorus, or nitrogen containing
521.6  DF  .~.~ With nonmetal compound containing halogen, nitrogen, phosphorus, or sulfur
492  DF  INCANDESCENT MANTLE COMPOSITIONS
299.01  DF  LIQUID CRYSTAL COMPOSITIONS
299.1  DF  .~ Containing pleochroic dye
299.2  DF  .~ Containing dopant salt
299.3  DF  .~ Containing charge-transfer agents
299.4  DF  .~ Containing nonchiral aligning agents
299.5  DF  .~ Containing nonchiral additive having no specified mesophase
299.6  DF  .~ Containing nonsteryl liquid crystalline compound of specified structure
299.61  DF  .~.~ Including heterocyclic ring
299.62  DF  .~.~ Including fused or bridged rings
299.63  DF  .~.~ Including fully saturated ring
299.64  DF  .~.~ Aryl ester of aryl acid having three benzene rings
299.65  DF  .~.~.~ Benzene rings linked by direct bond
299.66  DF  .~.~ Benzene rings linked by direct bond
299.67  DF  .~.~ Phenyl benzoate derivative
299.68  DF  .~.~ Including benzene rings bonded through azo, azoxy, or azomethine linkage
299.7  DF  .~ Cholesteric liquid crystal composition containing a sterol derivative
582  DF  LIGHT TRANSMISSION MODIFYING COMPOSITIONS
583  DF  .~ Modification caused by energy other than light
584  DF  .~ Inorganic crystalline solid
585  DF  .~ Producing polarized light
586  DF  .~ Displaying color change
587  DF  .~ Infrared
588  DF  .~ Ultraviolet
589  DF  .~.~ Organic material
625  DF  RADIOACTIVE COMPOSITIONS
634  DF  .~ In form of sol solution or gel
635  DF  .~.~ Including production of solid particles by chemical reaction
636  DF  .~ Nuclear reactor fuel
637  DF  .~.~ Actinide having nonactinide component
638  DF  .~.~.~ Oxide component
639  DF  .~.~.~ Carbon containing component
640  DF  .~.~.~ Free metal or metal compound component
641  DF  .~.~ Actinide nitrides only
642  DF  .~.~ Actinide carbides only
643  DF  .~.~ Actinide oxides only
644  DF  .~ As a source of radiation or heat
645  DF  .~.~ For tracing, tagging, or testing
646  DF  .~ Luminescent
647  DF  .~.~ Laser
301.16  DF  ORGANIC LUMINESCENT MATERIAL CONTAINING COMPOSITIONS
301.17  DF  .~ Scintillating or lasing compositions
301.18  DF  .~.~ Heavy metal containing
301.19  DF  .~ Inspection penetrant compositions
301.21  DF  .~ Optical brightening compositions
301.22  DF  .~.~ Heterocyclic compounds having an intercyclic acyclic methine linkage
301.23  DF  .~.~.~ Triazines
301.24  DF  .~.~.~ Thiazoles or oxazoles
301.25  DF  .~.~ Azine containing
301.26  DF  .~.~ Six-membered ring having one hetero-N-atom
301.27  DF  .~.~ Azole containing
301.28  DF  .~.~.~ Thiazoles or oxazoles
301.29  DF  .~.~.~ Tri- or tetrazoles
301.31  DF  .~.~ Five-membered ring having four carbon atoms and one nitrogen atom
301.32  DF  .~.~ Hetero-S-atom or hetero-O-atom containing
301.33  DF  .~ With inorganic luminescent material
301.34  DF  .~ Natural resin, cellulose, or derivatives containing
301.35  DF  .~ Synthetic resin containing
301.36  DF  INORGANIC LUMINESCENT COMPOSITIONS WITH ORGANIC NONLUMINESCENT MATERIAL
301.4 R  DF  INORGANIC LUMINESCENT COMPOSITIONS
301.5  DF  .~ Tungsten containing
301.6 R  DF  .~ Zinc or cadmium containing
301.6 S  DF  .~.~ Sulfur containing
301.6 P  DF  .~.~ Phosphorus containing
301.6 F  DF  .~.~ Group IV element containing
301.4 S  DF  .~ Sulfur containing
301.4 P  DF  .~ Phosphorus containing
301.4 F  DF  .~ Group IV element containing
301.4 H  DF  .~ Compositions containing halogen; e.g., halides and oxyhalides
700  DF  CHEMILUMINESCENT
182.1  DF  HAVING UTILITY AS A REACTIVE MATERIAL IN AN ELECTROCHEMICAL CELL; E.G., BATTERY, ETC.
184  DF  ABSORPTIVE, OR BINDIVE, AND CHEMICALLY YIELDIVE (E.G., ION EXCHANGER)
185  DF  PLUMBIFEROUS SULPHUR BINDANT OR MODIFIANT CONTAINING
186.1  DF  OXIDATIVE BLEACHANT, OXIDANT CONTAINING, OR GENERATIVE
186.2  DF  .~ Composition containing two or more solid materials with defined physical dimensions; e.g., surface areas, volumes, etc., or process of producing said composition
186.21  DF  .~ Plural oxidants
186.22  DF  .~.~ Contains plural peroxides
186.23  DF  .~.~.~ Organic peroxide
186.24  DF  .~ Contains elemental material devoid of water
186.25  DF  .~ Composition containing a stabilizer or a product in the form of a surface-modified, impregnated, encapsulated, or surface-coated article; or process of producing said composition
186.26  DF  .~.~ Organic peroxide
186.27  DF  .~.~ Inorganic peroxide
186.28  DF  .~.~.~ Contains hydrogen peroxide
186.29  DF  .~.~.~.~ With organic material
186.3  DF  .~.~.~ Contains perborate
186.31  DF  .~.~.~.~ With organic material
186.32  DF  .~.~.~ Contains Group IA metal peroxide
186.33  DF  .~.~ Contains Group VIIB or Group VIII metal or compound thereof
186.34  DF  .~.~ Contains organohalogen compound as oxidant
186.35  DF  .~.~.~ Chloroisocyanurate
186.36  DF  .~.~ Contains free halogen or oxy-halogen acid type
186.37  DF  .~.~.~ Contains alkaline earth metal
186.38  DF  .~ Contains activator admixed with inorganic peroxide
186.39  DF  .~.~ Contains heterocyclic compound
186.4  DF  .~.~.~ Oxygen heterocycle
186.41  DF  .~.~ Hydrogen peroxide
186.42  DF  .~ Contains organic peroxide
186.43  DF  .~ Contains inorganic peroxide
186.44  DF  .~ Contains inorganic nitrogen containing compound
187.1  DF  .~ Free halogen or oxy-halogen acid type
187.2  DF  .~.~ Oxidant contains halogen other than chlorine
187.21  DF  .~.~ Chlorine dioxide or monoxide
187.22  DF  .~.~.~ With elemental chlorine
187.23  DF  .~.~ Chlorite
187.24  DF  .~.~.~ Hypochlorite
187.25  DF  .~.~.~.~ Alkali metal hypochlorite
187.26  DF  .~.~.~.~.~ Sodium
187.27  DF  .~.~.~.~ Alkaline earth metal hypochlorite
187.28  DF  .~.~.~.~.~ Calcium
187.29  DF  .~.~.~.~.~.~ With alkali metal compound
187.3  DF  .~.~.~.~.~.~ With alkaline earth metal compound
187.31  DF  .~.~ Chlorate or perchlorate
187.32  DF  .~.~ Hypochlorous acid
187.33  DF  .~.~ Oxidant contains N-Cl bond
187.34  DF  .~.~.~ Chloroisocyanurate
188.1  DF  REDUCTIVE BLEACHANT, DEOXIDANT, REDUCTANT, OR GENERATIVE
188.2  DF  .~ Sulfur containing reductant, bleachant, deoxidant, or generative
188.21  DF  .~.~ Sulfite
188.22  DF  .~.~.~ Hydrosulfite (dithionite)
188.23  DF  .~.~.~.~ With organic additive
188.24  DF  .~.~.~.~.~ Contains nitrogen
188.25  DF  .~ Hydrogen generating
188.26  DF  .~ Hydride containing
188.27  DF  .~.~ Contains Al-H bond
188.28  DF  .~ Deoxidant or oxygen scavenging
189  DF  CO, S, NEGATIVE ELEMENT, OR ACID, BINDANT CONTAINING
190  DF  .~ With absorbents
191  DF  .~ Basis-iron containing
192  DF  .~ Alkali-metal or alkali-metal compound containing
193  DF  AMMONIA, ALKALI OR BASE, BINDANT CONTAINING
363.5  DF  SOLIDS WITH SOLUTION OR DISPERSION AIDS
364  DF  SOLVENTS
365  DF  ANTI-INGESTIBLE OR DENATURED
366  DF  .~ Alcohol type
367.1  DF  SOAPS (I.E., ALKALI-METAL SALTS OF WATER-INSOLUBLE FATTY ACIDS OR OF ROSIN ACIDS)
372  DF  GASEOUS COMPOSITIONS
373  DF  .~ Carbon-oxide and hydrogen containing
374  DF  .~ Nitrogen and hydrogen containing
375  DF  .~.~ Nitrogen from air or elementary nitrogen only and hydrogen from compounds
376  DF  .~.~.~ Hydrogen from hydrocarbons
377  DF  .~.~ From elementary nitrogen and hydrogen only or purification
378 R  DF  EXFOLIATED OR INTUMESCED
378 P  DF  .~ Perlite
380  DF  PRESERVATIVE AGENTS
381  DF  .~ Anti-caking, separative or protective coatings or zones
382  DF  .~.~ Foams, liquids, or fluids
383  DF  .~.~ Organic and inorganic matter containing
384  DF  .~.~ Organic compound containing
385  DF  .~.~ Inorganic compound or element containing
387  DF  .~ Anti-corrosion
388  DF  .~.~ Organic compound containing
389.1  DF  .~.~.~ Component inorganic or organic comprising element other than C,H,O,N,S, and halogen
389.2  DF  .~.~.~.~ Phosphorus containing
389.21  DF  .~.~.~.~.~ Nitrogen and/or sulfur in phosphorus compound
389.22  DF  .~.~.~.~.~.~ Pentavalent P, except H(n+2)PnO(3n+1)
389.23  DF  .~.~.~.~.~ Pentavalent P, except H(n+2)PnO(3n+1)
389.24  DF  .~.~.~.~.~ Trivalent P (e.g., phosphorus acid, phosphites, etc.)
389.3  DF  .~.~.~.~ Silicon containing
389.31  DF  .~.~.~.~.~ Organo silicon
389.32  DF  .~.~.~.~.~.~ Nitrogen containing (e.g., amino, etc.)
389.4  DF  .~.~.~.~ Boron containing
389.41  DF  .~.~.~.~.~ Organo boron
389.5  DF  .~.~.~.~ Chromium containing
389.51  DF  .~.~.~.~ Lead containing
389.52  DF  .~.~.~.~ Zinc or aluminium containing
389.53  DF  .~.~.~.~ Nickel, iron, cobalt, copper, manganese, mercury, or cadmium containing
389.54  DF  .~.~.~.~ Molybdenum, arsenic, antimony, vanadium, bismuth, tungsten, selenium, or tellurium containing
389.61  DF  .~.~.~.~ Group IIA metal containing
389.62  DF  .~.~.~.~ Alkali metal or NH4+ containing
390  DF  .~.~.~ Amine, amide, azo, or nitrogen-base radical containing
391  DF  .~.~.~.~ Sulphur organic compound containing
392  DF  .~.~.~.~ Oxygen organic compound containing
393  DF  .~.~.~ Phenol or quinone radical containing
394  DF  .~.~.~ Nitrogen organic compound containing
395  DF  .~.~.~ Sulphur organic compound containing
396  DF  .~.~.~ Oxygen organic compound containing
397  DF  .~ Anti-oxidants or chemical change inhibitants
398  DF  .~.~ Plant or animal matters of unknown compositions
399  DF  .~.~ Organic compound containing
400.1  DF  .~.~.~ Component inorganic or organic comprising element other than C,H,O,N,S, and halogen
400.2  DF  .~.~.~.~ Phosphorus containing
400.21  DF  .~.~.~.~.~ Nitrogen or sulfur in phosphorus compound
400.22  DF  .~.~.~.~.~.~ Pentavalent P, but not fully oxygenated
400.23  DF  .~.~.~.~.~ Pentavalent P, but not fully oxygenated
400.24  DF  .~.~.~.~.~ Trivalent P (e.g., phosphorous acid, phosphites, etc.)
400.3  DF  .~.~.~.~ Silicon containing
400.31  DF  .~.~.~.~.~ Organo silicon
400.4  DF  .~.~.~.~ Boron containing
400.41  DF  .~.~.~.~.~ Organo boron
400.5  DF  .~.~.~.~ Chromium containing
400.51  DF  .~.~.~.~ Lead containing
400.52  DF  .~.~.~.~ Zinc or aluminium containing
400.53  DF  .~.~.~.~ Nickel, iron, cobalt, copper, manganese, mercury, or cadmium containing
400.54  DF  .~.~.~.~ Molybdenum, arsenic, antimony, vanadium, bismuth, tungsten, selenium, or tellurium containing
400.61  DF  .~.~.~ Group IIA metal containing
400.62  DF  .~.~.~ Alkali metal or NH4+ containing
401  DF  .~.~.~ Amine, amide, azo, or nitrogen-base radical containing
402  DF  .~.~.~.~ Sulphur organic compound containing
403  DF  .~.~.~.~ Oxygen organic compound containing
404  DF  .~.~.~ Phenol or quinone radical containing
405  DF  .~.~.~ Nitrogen organic compound containing
406  DF  .~.~.~ Sulphur organic compound containing
407  DF  .~.~.~ Oxygen organic compound containing
408.1  DF  NONREACTIVE ANALYTICAL, TESTING, OR INDICATING COMPOSITIONS
600  DF  RADIATION SENSITIVE
182.11  DF  COMPOSITIONS CONTAINING A SINGLE CHEMICAL REACTANT OR PLURAL NONINTERACTIVE CHEMICAL REACTANTS; I.E., NOT VIS-A-VIS
182.12  DF  .~ Organic reactant
182.13  DF  .~.~ For subsequent solid polymer treatment or preparation; e.g., crosslinking, grafting, curing, hardening, vulcanizing, etc.
182.14  DF  .~.~.~ Reactant contains element other than C, H, O, or N
182.15  DF  .~.~.~.~ Halogen
182.16  DF  .~.~.~.~.~ Bromine or iodine
182.17  DF  .~.~.~.~ Sulfur
182.18  DF  .~.~.~ Reactant contains ethylenic group
182.19  DF  .~.~.~.~ Cyclic anhydride moiety
182.2  DF  .~.~.~ Reactant contains isocyante (-N=C=O) or blocked isocyanate group
182.21  DF  .~.~.~.~ Two or more reactants containing isocyanate or blocked isocyanate groups
182.22  DF  .~.~.~.~.~ Urethane (-N-C(=O)-O-C-) group
182.23  DF  .~.~.~ Reactant contains oxygen
182.24  DF  .~.~.~.~ Reactant contains plural hydroxyl groups
182.25  DF  .~.~.~.~.~ Three or more reactants containing plural hydroxyl groups
182.26  DF  .~.~.~.~.~ Reactant contains nitrogen
182.27  DF  .~.~.~.~.~ Reactant contains ether linkage
182.28  DF  .~.~.~.~ Reactant contains carboxylic acid group or derivative thereof
182.29  DF  .~.~ With stabilizer or inhibitor
182.3  DF  .~.~ Reactant contains phosphorus, silicon, or sulfur atom, or contains metal-to-carbon bond
182.31  DF  .~.~ Reactant contains phenolic, phenolic ether, or inorganic phenolate group
182.32  DF  .~ Inorganic reactant other than sulfur containing
182.33  DF  .~.~ Reactant contains heavy metal
182.34  DF  .~.~ Reactant contains nitrogen
182.35  DF  .~.~ Reactant contains aluminum or phosphorus
183.11  DF  CHEMICALLY INTERACTIVE REACTANTS (VIS-A-VIS)
183.12  DF  .~ With stabilizer or inhibitor
183.13  DF  .~ Organic reactant admixed with inorganic reactant
183.14  DF  .~ Inorganic reactants only
183.15  DF  .~.~ Calcium carbide precursors
183.16  DF  .~.~ Contains carbonate or bicarbonate
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CROSS-REFERENCE ART COLLECTIONS
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950  DF  DOPING AGENT SOURCE MATERIAL
951  DF  .~ For vapor transport
960  DF  SURFACE FLAW DETECTING COMPOSITIONS
961  DF  STRESS OR CONTACT INDICATORS
962  DF  TEMPERATURE OR THERMAL HISTORY
963  DF  HUMIDITY OR MOISTURE INDICATORS
964  DF  LEAK DETECTION
965  DF  RETROSPECTIVE PRODUCT IDENTIFICATION (E.G., TAGS AND TRACERS, ETC.)
*********************************
FOREIGN ART COLLECTIONS
*********************************
FOR 100  DF  TEXTILE TREATING (252/8.6)
FOR 101  DF  .~ Organic sulphoxy compound containing (252/8.7)
FOR 102  DF  .~.~ Organic amine or amide containing (252/8.75)
FOR 103  DF  .~ Organic amine or amide containing (252/8.8)
FOR 104  DF  .~ Ether group containing (252/8.9)
FOR 113  DF  SWEEPING OR DUST OR PARTICLE ADHERENT (252/88)
FOR 247  DF  SOAPS (ALKALI-METAL SALTS OF WATER-INSOLUBLE FATTY OR ROSIN ACIDS) (252/367)
FOR 248  DF  .~ Products (252/368)
FOR 249  DF  .~ Including saponification (252/369)
FOR 250  DD  .~.~ With subsequent operations (252/370)
*  DD  FOREIGN ART COLLECTIONS
*********************************
FOR 251  DD  .~ Metal compound containing (252/518)
FOR 252  DD  .~.~ Iron group compound (252/519)
FOR 253  DD  .~.~ Titanium or zirconium compound (252/520)
FOR 254  DD  .~.~ Magnesium, alkaline earth metal, or rare earth metal compound (252/521)
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DIGEST
******************************
DIG 18  DD  Activation-platinum