DIFF 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
IPC and CPC are identically structured here. All 12 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- C08G 2/02 Polymerisation initiated by wave energy or by particle radiation since 1974 IPC+CPC Available in IPC and CPC
- C08G 2/04 Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents since 1974 IPC+CPC Available in IPC and CPC
- C08G 2/10 Polymerisation of cyclic oligomers of formaldehyde since 1974 IPC+CPC Available in IPC and CPC
- C08G 2/12 Polymerisation of acetaldehyde or cyclic oligomers thereof since 1974 IPC+CPC Available in IPC and CPC
- C08G 2/14 Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12 since 1974 IPC+CPC Available in IPC and CPC
- C08G 2/38 Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds since 1974 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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