CPC Main Group
C07C 271/00 Derivatives of carbamic acids, i.e. compounds containing any of the groups [IMAGE cpc-sch-C07C-0964.gif], the nitrogen atom not being part of nitro or nitroso groups
6 direct subcodes
Child Classifications
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- C07C 271/02 Carbamic acids; Salts of carbamic acids (unsubstituted carbamic acid or salts thereof C01B21/12)
- C07C 271/04 Carbamic acid halides
- C07C 271/06 Esters of carbamic acids
- C07C 271/60 having oxygen atoms of carbamate groups bound to nitrogen atoms
- C07C 271/62 Compounds containing any of the groups [IMAGE cpc-sch-C07C-0965.gif], X being a hetero atom, Y being any atom, e.g. N-acylcarbamates
- C07C 271/68 Compounds containing any of the groups [IMAGE cpc-sch-C07C-0966.gif]
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