IPC Subgroup
C07C 235/32 the carbon skeleton containing six-membered aromatic rings
Introduced: January 1990
Last revised: January 2006
Full Title
Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms > having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton > the carbon skeleton containing six-membered aromatic rings
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
3 direct subcodes
Child Classifications
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- C07C 235/34 having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C 235/36 having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C 235/38 having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
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