IPC Subgroup
C07C 69/52 Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
Introduced: September 1968
Last revised: January 2006
Full Title
Esters of carboxylic acids; Esters of carbonic or haloformic acids > Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
7 direct subcodes
Child Classifications
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- C07C 69/527 of unsaturated hydroxy compounds
- C07C 69/533 Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C 69/587 Monocarboxylic acid esters having at least two carbon-to-carbon double bonds
- C07C 69/593 Dicarboxylic acid esters having only one carbon-to-carbon double bond
- C07C 69/602 Dicarboxylic acid esters having at least two carbon-to-carbon double bonds
- C07C 69/604 Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups
- C07C 69/606 having only carbon-to-carbon triple bonds as unsaturation in the carboxylic acid moiety
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922