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IPC Subgroup
C07C 255/01

having cyano groups bound to acyclic carbon atoms

Introduced: January 1990

Last revised: January 2006

Full Title

Carboxylic acid nitriles > having cyano groups bound to acyclic carbon atoms

Classification Context

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

14 direct subcodes

Child Classifications

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  • C07C 255/1 containing cyano groups and halogen atoms, or nitro or nitroso groups, bound to the same acyclic carbon skeleton
  • C07C 255/15 containing cyano groups and singly-bound oxygen atoms bound to the same unsaturated acyclic carbon skeleton
  • C07C 255/16 containing cyano groups and singly-bound oxygen atoms bound to the same carbon atom of an acyclic carbon skeleton
  • C07C 255/17 containing cyano groups and doubly-bound oxygen atoms bound to the same acyclic carbon skeleton
  • C07C 255/18 containing cyano groups bound to carbon atoms of carboxyl groups
  • C07C 255/23 containing cyano groups and carboxyl groups, other than cyano groups, bound to the same unsaturated acyclic carbon skeleton
  • C07C 255/3 containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same unsaturated acyclic carbon skeleton
  • C07C 255/31 having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing rings other than six-membered aromatic rings

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