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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 403/18 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

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922