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PCE
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CPC Main Group
C07C 269/00

Preparation of derivatives of carbamic acid, 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

4 direct subcodes

Child Classifications

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  • C07C 269/02 from isocyanates with formation of carbamate groups
  • C07C 269/04 from amines with formation of carbamate groups
  • C07C 269/06 by reactions not involving the formation of carbamate groups
  • C07C 269/08 Separation; Purification; Stabilisation; Use of additives

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