CPC Subgroup Additional Only
C09C 2200/10 Interference pigments characterized by the core material
Full Title
Compositional and structural details of pigments exhibiting interference colours > Interference pigments characterized by the core material
7 direct subcodes
Child Classifications
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- C09C 2200/1004 the core comprising at least one inorganic oxide, e.g. Al2O3, TiO2 or SiO2
- C09C 2200/102 the core consisting of glass or silicate material like mica or clays, e.g. kaolin
- C09C 2200/1037 the core consisting of an inorganic suboxide or a mixture thereof, e.g. SiOx or TiOx
- C09C 2200/1054 the core consisting of a metal
- C09C 2200/1062 the core consisting of an organic compound, e.g. Liquid Crystal Polymers [LCP], Polymers or natural pearl essence
- C09C 2200/1075 the core consisting of a mixture of inorganic and organic phases
- C09C 2200/1087 the core consisting of bismuth oxychloride, magnesium fluoride, nitrides, carbides, borides, lead carbonate, barium or calcium sulfate, zinc sulphide, molybdenum disulphide or graphite
Top Applicants
Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 7,954
- HALLIBURTON ENERGY SERVICES GROUP US 6,584
- NITTO DENKO CORPORATION JP 6,500
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
- DOW GLOBAL TECHNOLOGIES US 6,324
- FUJIFILM JP 5,832
- MERCK PATENT DE 5,481
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
- SAMSUNG DISPLAY KR 5,105
- NITTO DENKO CORPORATION 3,584