CPC Main Group
C07C 227/00 Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
11 direct subcodes
Child Classifications
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- C07C 227/02 Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
- C07C 227/04 Formation of amino groups in compounds containing carboxyl groups
- C07C 227/12 Formation of amino and carboxyl groups
- C07C 227/14 from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C 227/22 from lactams, cyclic ketones or cyclic oximes, e.g. by reactions involving Beckmann rearrangement
- C07C 227/24 from hydantoins
- C07C 227/26 from compounds containing carboxyl groups by reaction with HCN, or a salt thereof, and amines, or from aminonitriles
- C07C 227/28 from natural products
- C07C 227/30 Preparation of optical isomers
- C07C 227/36 Racemisation of optical isomers
- C07C 227/38 Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)
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