CPC Subgroup
C07D 267/12 condensed with carbocyclic rings or ring systems
Full Title
Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one oxygen atom as the only ring hetero atoms > Seven-membered rings > having the hetero atoms in positions 1 and 4 > condensed with carbocyclic rings or ring systems
2 direct subcodes
Child Classifications
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- C07D 267/14 condensed with one six-membered ring
- C07D 267/16 condensed with two six-membered rings
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