DIFF Main Group
C07C 255/00 Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Carboxylic acid nitriles
CPC: Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
Full Title
Full titles differ between systems:
IPC:
Carboxylic acid nitriles
CPC:
Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- C07C 255/01 having cyano groups bound to acyclic carbon atoms since 1990 IPC+CPC Available in IPC and CPC
- C07C 255/45 having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings since 1990 IPC+CPC Available in IPC and CPC
- C07C 255/49 having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton since 1990 IPC+CPC Available in IPC and CPC
- C07C 255/61 containing cyano groups and nitrogen atoms being part of imino groups bound to the same carbon skeleton since 1990 IPC+CPC Available in IPC and CPC
- C07C 255/62 containing cyano groups and oxygen atoms being part of oxyimino groups bound to the same carbon skeleton since 1990 IPC+CPC Available in IPC and CPC
- 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 since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class C07,2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219