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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
C01
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CHEMISTRY
C01
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INORGANIC CHEMISTRY (processing powders of inorganic compounds preparatory to the manufacturing of ceramic products C04B 35/00; fermentation or enzyme-using processes for the preparation of elements or inorganic compounds except carbon dioxide C12P 3/00; obtaining metal compounds from mixtures, e.g. ores, which are intermediate compounds in a metallurgical process for obtaining a free metal C21B, C22B; production of non-metallic elements or inorganic compounds by electrolysis or electrophoresis C25B)
C02
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TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (settling tanks, filtering, e.g. sand filters or screening devices, B01D)
C03
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GLASSMINERAL OR SLAG WOOL
C04
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CEMENTSCONCRETEARTIFICIAL STONECERAMICSREFRACTORIES (alloys based on refractory metals C22C) [4]
C05
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FERTILISERSMANUFACTURE THEREOF (processes or devices for granulating materials, in general B01J 2/00; soil-conditioning or soil-stabilising materials C09K 17/00) [4]
C06
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EXPLOSIVESMATCHES
C07
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ORGANIC CHEMISTRY (such compounds as the oxides, sulfides, or oxysulfides of carbon, cyanogen, phosgene, hydrocyanic acid or salts thereof C01; products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds C01B 33/44; macromolecular compounds C08; dyes C09; fermentation products C12; fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture C12P; production of organic compounds by electrolysis or electrophoresis C25B 3/00, C25B 7/00) [2]
C08
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ORGANIC MACROMOLECULAR COMPOUNDSTHEIR PREPARATION OR CHEMICAL WORKING-UPCOMPOSITIONS BASED THEREON (manufacture or treatment of artificial threads, fibres, bristles or ribbons D01)
C09
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DYESPAINTSPOLISHESNATURAL RESINSADHESIVESCOMPOSITIONS NOT OTHERWISE PROVIDED FORAPPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C10
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PETROLEUM, GAS OR COKE INDUSTRIESTECHNICAL GASES CONTAINING CARBON MONOXIDEFUELSLUBRICANTSPEAT
C10B
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DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS (cracking oils C10G; underground gasification of minerals E21B 43/295) [5]
C10C
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WORKING-UP TAR, PITCH, ASPHALT, BITUMENPYROLIGNEOUS ACID (compositions of bituminous materials C08L 95/00; carbon filaments by decomposition of organic filaments D01F 9/14)
C10F
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DRYING OR WORKING-UP OF PEAT [5]
C10G
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CRACKING HYDROCARBON OILSPRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B)RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASESREFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONSREFORMING OF NAPHTHAMINERAL WAXES (inhibiting corrosion or incrustation in general C23F) [6]
C10H
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PRODUCTION OF ACETYLENE BY WET METHODS (purification of acetylene C07C 11/24) [5]
C10J
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PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES (synthesis gas from liquid or gaseous hydrocarbons C01B; underground gasification of minerals E21B 43/295)CARBURETTING AIR OR OTHER GASES [5]
C10K
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PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
C10L
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FUELS NOT OTHERWISE PROVIDED FOR (fuels for generating pressure gas, e.g. for rockets, C06D 5/00; candles C11C; nuclear fuel G21C 3/00)NATURAL GASSYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10KLIQUEFIED PETROLEUM GASADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVALFIRE-LIGHTERS [5]
C10M
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LUBRICATING COMPOSITIONS (well drilling compositions C09K 8/02)USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION (mould release, i.e. separating, agents for metals B22C 3/00, for plastics or substances in a plastic state, in general B29C 33/56, for glass C03B 40/02; textile lubricating compositions D06M 11/00, D06M 13/00, D06M 15/00; use of particular substances in particular apparatus or conditions, seeF16N or the relevant groups for the application, e.g. A21D 8/08, B21C 9/00, H01B 3/18; immersion oils for microscopy G02B 21/33) [4]
C10M 101/00
Base-materials [4]
C10M 101/00
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Lubricating compositions characterised by the base-material being a mineral or fatty oil (containing more than 10% water C10M 173/00) [4]
C10M 103/00
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Lubricating compositions characterised by the base-material being an inorganic material (containing more than 10% water C10M 173/00) [4]
C10M 105/00
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Lubricating compositions characterised by the base-material being a non-macromolecular organic compound [4]
C10M 107/00
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Lubricating compositions characterised by the base-material being a macromolecular compound [4]
C10M 109/00
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Lubricating compositions characterised by the base-material being a compound of unknown or incompletely defined constitution (C10M 101/00 takes precedence) [4]
C10M 111/00
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Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M 101/00-C10M 109/00, each of these compounds being essential [4]
C10M 113/00
Thickeners [4]
C10M 113/00
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Lubricating compositions characterised by the thickener being an inorganic material [4]
C10M 115/00
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Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof [4]
C10M 117/00
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Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof [4]
C10M 119/00
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Lubricating compositions characterised by the thickener being a macromolecular compound [4]
C10M 121/00
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Lubricating compositions characterised by the thickener being a compound of unknown or incompletely defined constitution [4]
C10M 123/00
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Lubricating compositions characterised by the thickener being a mixture of two or more compounds covered by more than one of the main groups C10M 113/00-C10M 121/00, each of these compounds being essential (inorganic materials coated with organic compounds C10M 113/16) [4]
C10M 125/00
Additives [4]
C10M 125/00
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Lubricating compositions characterised by the additive being an inorganic material [4]
C10M 127/00
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Lubricating compositions characterised by the additive being a non-macromolecular hydrocarbon (petroleum fractions C10M 159/04) [4]
C10M 129/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen [4]
C10M 131/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing halogen [4]
C10M 133/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen [4]
C10M 135/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium [4]
C10M 137/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus [4]
C10M 139/00
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Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M 127/00-C10M 137/00 [4]
C10M 139/02
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.Esters of silicon acids [4]
C10M 139/04
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.having a silicon-to-carbon bond, e.g. silanes [4]
C10M 139/06
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.having a metal-to-carbon bond (metal complexes of unknown constitution C10M 159/18) [4]
C10M 141/00
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Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M 125/00-C10M 139/00, each of these compounds being essential [4]
C10M 143/00
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Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation [4]
C10M 145/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen (oxidised hydrocarbons C10M 143/18) [4]
C10M 147/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing halogen [4]
C10M 149/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen [4]
C10M 151/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing sulfur, selenium or tellurium [4]
C10M 153/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing phosphorus [4]
C10M 155/00
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Lubricating compositions characterised by the additive being a macromolecular compound containing atoms of elements not provided for in groups C10M 143/00-C10M 153/00 [4]
C10M 157/00
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Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M 143/00-C10M 155/00, each of these compounds being essential [4]
C10M 159/00
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Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution (carboxylic acids with less than 30 carbon atoms in the chain, of unknown or incompletely defined constitution C10M 129/56) [4]
C10M 161/00
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Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential [4]
C10M 163/00
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Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential [4]
C10M 165/00
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Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential [4]
C10M 167/00
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Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential [4]
C10M 169/00
Mixtures of base-materials, thickeners and additives [4]
C10M 169/00
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Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential [4]
C10M 171/00
Compositions characterised by physical properties [4]
C10M 171/00
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Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well defined but for which the chemical nature is either unspecified or only very vaguely indicated (chemically defined ingredients C10M 101/00-C10M 169/00; petroleum fractions C10M 101/02, C10M 121/02, C10M 159/04) [4]
C10M 173/00
Aqueous lubricating compositions [4]
C10M 173/00
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Lubricating compositions containing more than 10% water [4]
C10M 175/00
Working-up [4]
C10M 175/00
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Working-up used lubricants to recover useful products [4]
C10M 177/00
Preparation or after-treatment [4]
C10M 177/00
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Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes [4]
C10N
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INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M [4]
C11
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ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXESFATTY ACIDS THEREFROMDETERGENTSCANDLES (edible oil or fat compositions A23)
C12
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BIOCHEMISTRYBEERSPIRITSWINEVINEGARMICROBIOLOGYENZYMOLOGYMUTATION OR GENETIC ENGINEERING
C13
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SUGAR INDUSTRY (polysaccharides, e.g. starch, derivatives thereof C08B; malt C12C) [4]
C14
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SKINSHIDESPELTSLEATHER
C21
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METALLURGY
C21
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METALLURGY OF IRON
C22
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METALLURGY (of iron C21)FERROUS OR NON-FERROUS ALLOYSTREATMENT OF ALLOYS OR NON-FERROUS METALS (general methods or devices for heat treatment of ferrous or non-ferrous metals or alloys C21D; production of metals by electrolysis or electrophoresis C25)
C23
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COATING METALLIC MATERIALCOATING MATERIAL WITH METALLIC MATERIAL (by metallising textiles D06M 11/83; decorating textiles by locally metallising D06Q 1/04)CHEMICAL SURFACE TREATMENTDIFFUSION TREATMENT OF METALLIC MATERIALCOATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (for specific applications, see the relevant places, e.g. for manufacturing resistors H01C 17/06)INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL (treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D, C25F) [2]
C25
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ELECTROLYTIC OR ELECTROPHORETIC PROCESSESAPPARATUS THEREFOR (electrodialysis, electro-osmosis, separation of liquids by electricity B01D; working of metal by the action of a high concentration of electric current B23H; treatment of water, waste water or sewage by electrochemical methods C02F 1/46; surface treatment of metallic material or coating involving at least one process provided for in class C23 and at least one process covered by this class C23C 28/00, C23F 17/00; anodic or cathodic protection C23F; single-crystal growth C30B; metallising textiles D06M 11/83; decorating textiles by locally metallising D06Q 1/04; electrochemical methods of analysis G01N; electrochemical measuring, indicating or recording devices G01R; electrolytic circuit elements, e.g. capacitors, H01G; electrochemical current or voltage generators H01M) [4]
C30
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CRYSTAL GROWTH (separation by crystallisation in general B01D 9/00) [3]
C40
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COMBINATORIAL TECHNOLOGY [2006.01]
C40
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COMBINATORIAL TECHNOLOGY [2006.01]
C99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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