IPC Subgroup
C07C 13/39 with a bicyclo ring system containing seven carbon atoms
Introduced: January 1980
Last revised: January 2006
Full Title
Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings > Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof > with condensed rings > with a bicyclo ring system containing seven carbon atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
2 direct subcodes
Child Classifications
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- C07C 13/4 with a bicycloheptane ring structure
- C07C 13/42 with a bicycloheptene ring structure
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