IPC Main Group
C07C 255/00 Carboxylic acid nitriles
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Related Keywords
nitriles of CARBOXYLICorganic CYANIDESorganic derivatives of HYDROCYANIC acidcarboxylic acid NITRILES
6 direct subcodes
Child Classifications
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- C07C 255/01 having cyano groups bound to acyclic carbon atoms
- C07C 255/45 having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C 255/49 having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C 255/61 containing cyano groups and nitrogen atoms being part of imino groups bound to the same carbon skeleton
- C07C 255/62 containing cyano groups and oxygen atoms being part of oxyimino groups bound to the same carbon skeleton
- C07C 255/63 containing cyano groups and nitrogen atoms further bound to other hetero atoms, other than oxygen atoms of nitro or nitroso groups, bound to the same carbon skeleton
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