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IPC Subgroup
C07K 5/02

containing at least one abnormal peptide link

Introduced: January 1985

Last revised: January 2006

Full Title

Peptides having up to four amino acids in a fully defined sequence; Derivatives thereof > containing at least one abnormal peptide link

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
PEPTIDES

5 direct subcodes

Child Classifications

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  • C07K 5/023 in which at least a beta-amino acid is involved
  • C07K 5/027 in which at least a gamma-amino acid is involved, e.g. statine
  • C07K 5/03 in which at least a delta-amino acid is involved, e.g. isosteres
  • C07K 5/033 in which at least an epsilon- or zeta-amino acid is involved
  • C07K 5/037 the abnormal link being formed by the side chain of an alpha-amino acid, e.g. gamma-Glu, epsilon-Lys, glutathione

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