CPC Main Group
C08F 8/00 Chemical modification by after-treatment (graft polymers, block polymers, crosslinking with unsaturated monomers or with polymers C08F251/00 - C08F299/00; of conjugated diene rubbers C08C)
18 direct subcodes
Child Classifications
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- C08F 8/02 Alkylation
- C08F 8/04 Reduction, e.g. hydrogenation
- C08F 8/06 Oxidation
- C08F 8/08 Epoxidation
- C08F 8/10 Acylation
- C08F 8/12 Hydrolysis
- C08F 8/14 Esterification
- C08F 8/18 Introducing halogen atoms or halogen-containing groups
- C08F 8/26 Removing halogen atoms or halogen-containing groups from the molecule
- C08F 8/28 Condensation with aldehydes or ketones
- C08F 8/30 Introducing nitrogen atoms or nitrogen-containing groups
- C08F 8/34 Introducing sulfur atoms or sulfur-containing groups
- C08F 8/40 Introducing phosphorus atoms or phosphorus-containing groups
- C08F 8/42 Introducing metal atoms or metal-containing groups
- C08F 8/44 Preparation of metal salts or ammonium salts
- C08F 8/46 Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation
- C08F 8/48 Isomerisation; Cyclisation
- C08F 8/50 Partial depolymerisation
Top Applicants
Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 15,432
- DOW GLOBAL TECHNOLOGIES US 14,214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
- FUJIFILM JP 6,178
- CHINESE ACADEMY OF SCIENCES 5,569
- SHIN-ETSU CHEMICAL COMPANY JP 5,506
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
- TORAY INDUSTRIES JP 4,635
- NITTO DENKO CORPORATION JP 4,620