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Symbol Select IPC entry Title
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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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
C11B
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PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXESESSENTIAL OILSPERFUMES (drying-oils C09F)
C11C
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FATTY ACIDS OBTAINED FROM FATS, OILS OR WAXESCANDLESFATS, OILS OR FATTY ACIDS OBTAINED BY CHEMICAL MODIFICATION OF FATS, OILS OR FATTY ACIDS
C11C 1/00
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Preparation of fatty acids from fats, fatty oils, or waxesRefining the fatty acids (recovery of fatty acids from waste materials C11B 13/00) [1, 2006.01]
C11C 3/00
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Fats, oils or fatty acids obtained by chemical modification of fats, oils or fatty acids, e.g. by ozonolysis (sulfonated fats or oils C07C 309/62; epoxidised fats C07D 303/42; vulcanised oils, e.g. factice C08H 3/00) [1, 2006.01]
C11C 3/02
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by esterification of fatty acids with glycerol [1, 2006.01]
C11C 3/04
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by esterification of fats or fatty oils [1, 2006.01]
C11C 3/06
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. . with glycerol [1, 2006.01]
C11C 3/08
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. . with fatty acids [1, 2006.01]
C11C 3/10
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. . Ester interchange [1, 2006.01]
C11C 3/12
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by hydrogenation [1, 2006.01]
C11C 3/14
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by isomerisation [1, 2006.01]
C11C 5/00
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Candles [1, 2006.01]
C11D
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DETERGENT COMPOSITIONSUSE OF SINGLE SUBSTANCES AS DETERGENTSSOAP OR SOAP-MAKINGRESIN SOAPSRECOVERY OF GLYCEROL
C12
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BIOCHEMISTRYBEERSPIRITSWINEVINEGARMICROBIOLOGYENZYMOLOGYMUTATION OR GENETIC ENGINEERING
C13
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SUGAR INDUSTRY [4]
C14
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SKINSHIDESPELTS OR LEATHER
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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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY

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