IPC 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
Introduced: July 1974
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Related Keywords
ACETAL RESINS
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
- C08G 2/08 Polymerisation of formaldehyde
- C08G 2/1 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
- C08G 2/16 Polymerisation of single ketones
- C08G 2/18 Copolymerisation of aldehydes or ketones
- C08G 2/28 Post-polymerisation treatments
- C08G 2/3 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 14,262
- DOW GLOBAL TECHNOLOGIES US 12,486
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
- CHINESE ACADEMY OF SCIENCES 6,993
- FUJIFILM JP 5,049
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
- SHIN-ETSU CHEMICAL COMPANY JP 4,517
- BOREALIS AT 4,213
- ARKEMA FR 4,098