IPC Subgroup
C07C 45/27 by oxidation
Introduced: January 1980
Last revised: January 2006
Full Title
Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds > by oxidation
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
5 direct subcodes
Child Classifications
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- C07C 45/28 of —CH-moieties
- C07C 45/29 of hydroxy groups
- C07C 45/3 with halogen containing compounds, e.g. hypohalogenation
- C07C 45/31 with compounds containing mercury atoms, which may be regenerated , 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
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922