C08G 63/00 Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16)
Introduced: July 1974
Title
Titles differ between systems:
IPC: Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
CPC: Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16)
Full Title
Full titles differ between systems:
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (polyester-amides C08G69/44; polyester-imides C08G73/16)
Of 8 combined children, 7 exist in both systems.
1 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- C08G 63/02 Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds since 1974 IPC+CPC Available in IPC and CPC
- C08G 63/64 Polyesters containing both carboxylic ester groups and carbonate groups since 1974 IPC+CPC Available in IPC and CPC
- C08G 63/66 Polyesters containing oxygen in the form of ether groups (C08G63/42, C08G63/58 take precedence) since 1974 IPC+CPC Available in IPC and CPC
- C08G 63/68 Polyesters containing atoms other than carbon, hydrogen and oxygen (C08G63/64 takes precedence) since 1974 +1 CPC IPC+CPC Available in IPC and CPC
- C08G 63/91 Polymers modified by chemical after-treatment since 1990 +2 CPC 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