CPC Main Group
C07C 50/00 Quinones
8 direct subcodes
Child Classifications
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- C07C 50/02 with monocyclic quinoid structure
- C07C 50/08 with polycyclic non-condensed quinoid structure
- C07C 50/10 the quinoid structure being part of a condensed ring system containing two rings
- C07C 50/16 the quinoid structure being part of a condensed ring system containing three rings
- C07C 50/22 the quinoid structure being part of a condensed ring system containing four or more rings
- C07C 50/24 containing halogen
- C07C 50/26 containing groups having oxygen atoms singly bound to carbon atoms
- C07C 50/38 containing —CHO or non—quinoid keto groups
Top Applicants
Top 10 applicants by patent filingsfor 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