CPC Main Group
C08G 2/00 Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
12 direct subcodes
Child Classifications
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- C08G 2/02 Polymerisation initiated by wave energy or by particle radiation
- C08G 2/04 Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
- C08G 2/06 Catalysts (Catalysts in general B01J)
- C08G 2/08 Polymerisation of formaldehyde
- C08G 2/10 Polymerisation of cyclic oligomers of formaldehyde
- C08G 2/12 Polymerisation of acetaldehyde or cyclic oligomers thereof
- C08G 2/14 Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12
- C08G 2/16 Polymerisation of single ketones
- C08G 2/18 Copolymerisation of aldehydes or ketones
- C08G 2/28 Post-polymerisation treatments
- C08G 2/30 Chemical modification by after-treatment
- C08G 2/38 Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds
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