DIFF Subgroup
C07D 235/04 Benzimidazoles; Hydrogenated benzimidazoles
Introduced: July 1974
Full Title
Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings > condensed with carbocyclic rings or ring systems > Benzimidazoles; Hydrogenated benzimidazoles
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- C07D 235/06 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2 since 1974 IPC+CPC Available in IPC and CPC
- C07D 235/18 with aryl radicals directly attached in position 2 since 1974 IPC+CPC Available in IPC and CPC
- C07D 235/20 Two benzimidazolyl-2 radicals linked together directly or via a hydrocarbon or substituted hydrocarbon radical since 1974 IPC+CPC Available in IPC and CPC
- C07D 235/22 with hetero atoms directly attached to ring nitrogen atoms (C07D235/10 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
- C07D 235/24 with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2 since 1974 IPC+CPC Available in IPC and CPC
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