CPC Main Group
C07B 41/00 Formation or introduction of functional groups containing oxygen
6 direct subcodes
Child Classifications
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- C07B 41/02 of hydroxy or O-metal groups
- C07B 41/04 of ether, acetal or ketal groups
- C07B 41/06 of carbonyl groups
- C07B 41/08 of carboxyl groups or salts, halides or anhydrides thereof
- C07B 41/12 of carboxylic acid ester groups
- C07B 41/14 of peroxy of hydroperoxy 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