CPC Main Group
C07C 255/00 Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- 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
- 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