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Symbol IPC-Stellen auswählen Titel
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
C02
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TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C03
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GLASSMINERAL OR SLAG WOOL
C04
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CEMENTSCONCRETEARTIFICIAL STONECERAMICSREFRACTORIES [4]
C05
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FERTILISERSMANUFACTURE THEREOF [4]
C06
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EXPLOSIVESMATCHES
C07
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ORGANIC CHEMISTRY [2]
C08
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ORGANIC MACROMOLECULAR COMPOUNDSTHEIR PREPARATION OR CHEMICAL WORKING-UPCOMPOSITIONS BASED THEREON
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
C11
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ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXESFATTY ACIDS THEREFROMDETERGENTSCANDLES
C12
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BIOCHEMISTRYBEERSPIRITSWINEVINEGARMICROBIOLOGYENZYMOLOGYMUTATION OR GENETIC ENGINEERING
C12C
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BREWING OF BEER (cleaning of raw materials A23N; pitching or depitching machines, cellar tools C12L; propagating yeasts C12N 1/14)
C12F
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RECOVERY OF BY-PRODUCTS OF FERMENTED SOLUTIONSDENATURING OF, OR DENATURED, ALCOHOL [6]
C12G
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WINEOTHER ALCOHOLIC BEVERAGESPREPARATION THEREOF (beer C12C)
C12H
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PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION, AGEING OF ALCOHOLIC BEVERAGES OR REMOVAL OF ALCOHOL THEREFROM (deacidifying wine C12G 1/10; preventing winestone precipitation C12G 1/12; simulation ageing by flavouring C12G 3/06) [6]
C12H 1/00
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Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
C12H 1/02
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combined with removal of precipitate or added materials, e.g. adsorption material
C12H 1/04
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. . with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
C12H 1/044
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. . . with the aid of inorganic material [6]
C12H 1/048
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. . . . with silicon containing material [6]
C12H 1/052
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. . . with the aid of organic material [6]
C12H 1/056
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. . . . with the aid of polymers [6]
C12H 1/06
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. . Precipitation by physical means, e.g. by irradiation, vibrations
C12H 1/065
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. . . Separation by centrifugation [6]
C12H 1/07
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. . . Separation by filtration [6]
C12H 1/075
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. . . . by cross-flow filtration [6]
C12H 1/08
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. . . by heating
C12H 1/10
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. . Precipitation by chemical means
C12H 1/12
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without precipitation
C12H 1/14
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. . with non-precipitating compounds, e.g. sulfitingSequestration, e.g. with chelate-producing compounds
C12H 1/15
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. . . with enzymes [6]
C12H 1/16
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. . by physical means, e.g. irradiation
C12H 1/18
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. . . by heating
C12H 1/20
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. . . . in containers allowing for expansion of the contents
C12H 1/22
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Ageing or ripening by storing, e.g. lagering of beer
C12H 3/00
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Removal of alcohol from alcoholic beverages to obtain alcohol-free or low-alcohol beverages (recovery of by-products of wine or beer other than low-alcohol beverages C12F 3/06; preparation of alcoholic beverages other than wine or beer by varying the composition of fermented solutions C12G 3/08) [6]
C12J
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VINEGARITS PREPARATION
C12L
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PITCHING OR DEPITCHING MACHINESCELLAR TOOLS (cleaning of casks B08B 9/00)
C12M
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APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY (installations for fermenting manure A01C 3/02; preservation of living parts of humans or animals A01N 1/02; brewing apparatus C12C; fermentation apparatus for wine C12G; apparatus for preparing vinegar C12J 1/10) [3]
C12N
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MICRO-ORGANISMS OR ENZYMESCOMPOSITIONS THEREOF (biocides, pest repellants or attractants, or plant growth regulators containing micro-organisms, viruses, microbial fungi, enzymes, fermentates, or substances produced by, or extracted from, micro-organisms or animal material A01N 63/00; medicinal preparations A61K; fertilisers C05F)PROPAGATING, PRESERVING, OR MAINTAINING MICRO-ORGANISMSMUTATION OR GENETIC ENGINEERINGCULTURE MEDIA (microbiological testing media C12Q 1/00) [3]
C12P
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FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE [3]
C12Q
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MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS (immunoassay G01N 33/53)COMPOSITIONS OR TEST PAPERS THEREFORPROCESSES OF PREPARING SUCH COMPOSITIONSCONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES [3]
C12R
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INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C-C12Q, RELATING TO MICRO-ORGANISMS [3]
C13
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SUGAR INDUSTRY [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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METALLURGYFERROUS OR NON-FERROUS ALLOYSTREATMENT OF ALLOYS OR NON-FERROUS METALS
C23
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COATING METALLIC MATERIALCOATING MATERIAL WITH METALLIC MATERIALCHEMICAL SURFACE TREATMENTDIFFUSION TREATMENT OF METALLIC MATERIALCOATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERALINHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL [2]
C25
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ELECTROLYTIC OR ELECTROPHORETIC PROCESSESAPPARATUS THEREFOR [4]
C30
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CRYSTAL GROWTH [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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