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IPC Main Group
C07C 235/00

Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms

Introduced: January 1990

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
ACYCLIC OR CARBOCYCLIC COMPOUNDS

Related Keywords

amides of CARBOXYLIC

7 direct subcodes

Child Classifications

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  • C07C 235/4 having carbon atoms of carboxamide groups bound to carbon atoms of rings other than six-membered aromatic rings and singly-bound oxygen atoms bound to the same carbon skeleton
  • C07C 235/68 having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom and to a carbon atom of a six-membered aromatic ring wherein at least one ortho-hydrogen atom has been replaced
  • C07C 235/86 having the nitrogen atom of at least one of the carboxamide groups quaternised
  • C07C 235/88 having the nitrogen atom of at least one of the carboxamide groups further acylated

Top Applicants

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

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922