DIFF Subgroup
C07K 5/02 containing at least one abnormal peptide link
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Peptides having up to four amino acids in a fully defined sequence; Derivatives thereof > containing at least one abnormal peptide link
CPC:
Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof > containing at least one abnormal peptide link
Of 15 combined children, 0 exist in both systems.
10 codes are CPC-only extensions, 5 exist only in IPC.
IPC defines codes here since 1995.
Child Classifications
Navigate with arrow keys, Enter to open
- C07K 5/027 in which at least a gamma-amino acid is involved, e.g. statine since 1995 IPC only IPC only
- C07K 5/03 in which at least a delta-amino acid is involved, e.g. isosteres since 1995 IPC only IPC only
- C07K 5/033 in which at least an epsilon- or zeta-amino acid is involved since 1995 IPC only IPC only
- C07K 5/037 the abnormal link being formed by the side chain of an alpha-amino acid, e.g. gamma-Glu, epsilon-Lys, glutathione since 1995 IPC only IPC only
Top Applicants
Top Applicants (IPC)
Class C07,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922
Top Applicants (CPC)
Class C07,2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219