IPC Main Group
C07C 403/00 Derivatives of cyclohexane or of a cyclohexene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene rings, e.g. vitamin A, beta-carotene, beta-ionone
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
VITAMIN(S) A
8 direct subcodes
Child Classifications
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- C07C 403/02 having side-chains containing only carbon and hydrogen atoms
- C07C 403/04 having side-chains substituted by halogen atoms
- C07C 403/06 having side-chains substituted by singly-bound oxygen atoms
- C07C 403/14 having side-chains substituted by doubly-bound oxygen atoms
- C07C 403/18 having side-chains substituted by nitrogen atoms
- C07C 403/2 having side-chains substituted by carboxyl groups
- C07C 403/22 having side-chains substituted by sulfur atoms
- C07C 403/24 having side-chains substituted by six-membered non-aromatic rings, e.g. beta-carotene
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