IPC Main Group
C07C 45/00 Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
ACETONEpreparation of ALDEHYDESANTHRAQUINONEpreparation of KETONESpreparation of OXOCOMPOUNDS
14 direct subcodes
Child Classifications
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- C07C 45/26 by hydration of carbon-to-carbon triple bonds
- C07C 45/27 by oxidation
- C07C 45/4 by oxidation with ozone; by ozonolysis
- C07C 45/41 by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
- C07C 45/42 by hydrolysis
- C07C 45/44 by reduction and hydrolysis of nitriles
- C07C 45/45 by condensation
- C07C 45/49 by reaction with carbon monoxide
- C07C 45/51 by pyrolysis, rearrangement or decomposition
- C07C 45/56 from heterocyclic compounds
- C07C 45/61 by reactions not involving the formation of C=O groups
- C07C 45/77 Preparation of chelates of aldehydes or ketones
- C07C 45/78 Separation; Purification; Stabilisation; Use of additives
- C07C 45/87 Preparation of ketenes or dimeric ketenes
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