DIFF Subgroup
C07C 50/26 containing groups having oxygen atoms singly bound to carbon atoms
Introduced: January 1980
Full Title
Quinones > containing groups having oxygen atoms singly bound to carbon atoms
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
Navigate with arrow keys, Enter to open
- C07C 50/30 with polycyclic non-condensed quinoid structure since 1980 IPC+CPC Available in IPC and CPC
- C07C 50/32 the quinoid structure being part of a condensed ring system having two rings since 1980 IPC+CPC Available in IPC and CPC
- C07C 50/34 the quinoid structure being part of a condensed ring system having three rings since 1980 IPC+CPC Available in IPC and CPC
- C07C 50/36 the quinoid structure being part of a condensed ring system having four or more rings 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