DIFF Subgroup
C07C 13/32 with condensed rings
Introduced: September 1968
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
IPC and CPC are identically structured here. All 11 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C07C 13/39 with a bicyclo ring system containing seven carbon atoms since 1980 IPC+CPC Available in IPC and CPC
- C07C 13/44 with a bicyclo ring system containing eight carbon atoms IPC+CPC Available in IPC and CPC
- C07C 13/45 with a bicyclo ring system containing nine carbon atoms since 1980 IPC+CPC Available in IPC and CPC
- C07C 13/47 with a bicyclo ring system containing ten carbon atoms since 1980 IPC+CPC Available in IPC and CPC
- C07C 13/70 with a condensed ring system consisting of at least two, mutually uncondensed aromatic ring systems, linked by an annular structure formed by carbon chains on non-adjacent positions of the aromatic ring, e.g. cyclophanes since 1980 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class C07,2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219