IPC Subgroup
C07C 49/587 Unsaturated compounds containing a keto group being part of a ring
Introduced: January 1980
Last revised: January 2006
Full Title
Ketones; Ketenes; Dimeric ketenes; Ketonic chelates > Unsaturated compounds containing a keto group being part of a ring
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
11 direct subcodes
Child Classifications
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- C07C 49/593 of a three- or four-membered ring
- C07C 49/597 of a five-membered ring
- C07C 49/603 of a six-membered ring, e.g. quinone methides
- C07C 49/607 of a seven- to twelve-membered ring
- C07C 49/613 polycyclic
- C07C 49/647 having unsaturation outside the ring
- C07C 49/657 containing six-membered aromatic rings
- C07C 49/687 containing halogen
- C07C 49/703 containing hydroxy groups
- C07C 49/753 containing ether groups, groups, groups, or groups
- C07C 49/757 containing —CHO groups
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