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Symbol IPC-Stellen auswählen Titel
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
C12
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BIOCHEMISTRYBEERSPIRITSWINEVINEGARMICROBIOLOGYENZYMOLOGYMUTATION OR GENETIC ENGINEERING
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]
C23C
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COATING METALLIC MATERIALCOATING MATERIAL WITH METALLIC MATERIALSURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTIONCOATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (applying liquids or other fluent materials to surfaces in general B05; making metal-coated products by extrusion B21C 23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D 39/00, B23K; working of metal by the action of a high concentration of electric current on a workpiece using an electrode B23H; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B 41/00; paints, varnishes, lacquers C09D; enamelling of, or applying a vitreous layer to, metals C23D; inhibiting corrosion of metallic material or incrustation in general C23F; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D, C25F; single-crystal film growth C30B; by metallising textiles D06M 11/83; decorating textiles by locally metallising D06Q 1/04; details of scanning-probe apparatus, in general G01Q; manufacture of semiconductor devices H01L; manufacture of printed circuits H05K) [4]
C23D
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ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS (chemical composition of the enamels C03C)
C23F
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NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES (working of metal by electro-erosion B23H; desurfacing by applying flames B23K 7/00; working metal by laser beam B23K 26/00)INHIBITING CORROSION OF METALLIC MATERIALINHIBITING INCRUSTATION IN GENERAL (treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D, C25F)MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 [4]
C23F 1/00
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Etching metallic material by chemical means [1, 2, 2006.01]
C23F 1/02
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Local etching [1, 2006.01]
C23F 1/04
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. . Chemical milling [1, 2006.01]
C23F 1/06
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Sharpening files [1, 2006.01]
C23F 1/08
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Apparatus, e.g. for photomechanical printing surfaces [1, 2006.01]
C23F 1/10
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Etching compositions (C23F 1/44 takes precedence) [4, 2006.01]
C23F 1/12
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. . Gaseous compositions [4, 2006.01]
C23F 1/14
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. . Aqueous compositions [4, 2006.01]
C23F 1/16
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. . . Acidic compositions (C23F 1/42 takes precedence) [4, 2006.01]
C23F 1/18
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. . . . for etching copper or alloys thereof [4, 2006.01]
C23F 1/20
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. . . . for etching aluminium or alloys thereof [4, 2006.01]
C23F 1/22
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. . . . for etching magnesium or alloys thereof [4, 2006.01]
C23F 1/24
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. . . . for etching silicon or germanium [4, 2006.01]
C23F 1/26
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. . . . for etching refractory metals [4, 2006.01]
C23F 1/28
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. . . . for etching iron group metals [4, 2006.01]
C23F 1/30
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. . . . for etching other metallic material [4, 2006.01]
C23F 1/32
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. . . Alkaline compositions (C23F 1/42 takes precedence) [4, 2006.01]
C23F 1/34
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. . . . for etching copper or alloys thereof [4, 2006.01]
C23F 1/36
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. . . . for etching aluminium or alloys thereof [4, 2006.01]
C23F 1/38
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. . . . for etching refractory metals [4, 2006.01]
C23F 1/40
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. . . . for etching other metallic material [4, 2006.01]
C23F 1/42
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. . . containing a dispersed water-immiscible liquid [4, 2006.01]
C23F 1/44
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Compositions for etching metallic material from a metallic material substrate of different composition [4, 2006.01]
C23F 1/46
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Regeneration of etching compositions [4, 2006.01]
C23F 3/00
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Brightening metals by chemical means [1, 2, 2006.01]
C23F 4/00
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Processes for removing metallic material from surfaces, not provided for in group C23F 1/00 or C23F 3/00 [4, 2006.01]
C23F 11/00
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Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent [1, 2006.01]
C23F 13/00
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Inhibiting corrosion of metals by anodic or cathodic protection [1, 2006.01]
C23F 14/00
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Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (adding scale preventives or removers to water C02F 5/00) [1, 2, 2006.01]
C23F 15/00
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Other methods of preventing corrosion or incrustation [1, 2006.01]
C23F 17/00
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Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25 (C23C 28/00 takes precedence) [1, 4, 2006.01]
C23G
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CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS (polishing compositions C09G; detergents in general C11D)
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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