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IPC Subgroup
C07C 209/62

by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds

Introduced: January 1990

Last revised: January 2006

Full Title

Preparation of compounds containing amino groups bound to a carbon skeleton > by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds

Classification Context

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

Filing statistics

IPC C07C 209/62 belongs to the parent subclass C07C, which recorded 319,159 patent applications worldwide between 2013 and 2023. Annual filings declined from 28,346 in 2013 to 26,894 in 2023 (-5%), peaking at 30,398 applications in 2020. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).

Source: EPO PATSTAT, worldwide filings

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