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CPC Subgroup
C07C 227/06

by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid

Full Title

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton > Formation of amino groups in compounds containing carboxyl groups > by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid

1 direct subcode

Child Classifications

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  • C07C 227/08 by reaction of ammonia or amines with acids containing functional groups

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219