IPC Main Group
C07C 49/00 Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
halogenated oxo compoundsHYDROXY oxo compoundsKETONESOXOCOMPOUNDS
9 direct subcodes
Child Classifications
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- C07C 49/04 Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C 49/2 Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C 49/29 Saturated compounds containing keto groups bound to rings
- C07C 49/385 Saturated compounds containing a keto group being part of a ring
- C07C 49/527 Unsaturated compounds containing keto groups bound to rings other than six-membered aromatic rings
- C07C 49/587 Unsaturated compounds containing a keto group being part of a ring
- C07C 49/76 Ketones containing a keto group bound to a six-membered aromatic ring
- C07C 49/88 Ketenes; Dimeric ketenes
- C07C 49/92 Ketonic chelates
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