CPC Subgroup
C07D 263/52 condensed with carbocyclic rings or ring systems
Full Title
Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings > condensed with carbocyclic rings or ring systems
3 direct subcodes
Child Classifications
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- C07D 263/54 Benzoxazoles; Hydrogenated benzoxazoles
- C07D 263/60 Naphthoxazoles; Hydrogenated naphthoxazoles
- C07D 263/62 having two or more ring systems containing condensed 1,3-oxazole 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