CPC Subgroup
C07C 45/27 by oxidation (with ozone C07C45/40)
Full Title
Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds > by oxidation (with ozone C07C45/40)
5 direct subcodes
Child Classifications
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- C07C 45/28 of CHx-moieties
- C07C 45/29 of hydroxy groups
- C07C 45/30 with halogen containing compounds, e.g. hypohalogenation
- C07C 45/31 with compounds containing mercury atoms, which may be regenerated in situ, e.g. by oxygen
- C07C 45/32 with molecular oxygen
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