CPC Subgroup
C07D 233/44 Nitrogen atoms not forming part of a nitro radical
Full Title
Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member > 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 to ring carbon atoms > Nitrogen atoms not forming part of a nitro radical
4 direct subcodes
Child Classifications
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- C07D 233/46 with only hydrogen atoms attached to said nitrogen atoms
- C07D 233/48 with acyclic hydrocarbon or substituted acyclic hydrocarbon radicals, attached to said nitrogen atoms
- C07D 233/50 with carbocyclic radicals directly attached to said nitrogen atoms
- C07D 233/52 with hetero atoms directly attached to said nitrogen atoms
Top Applicants
Top 10 applicants by patent filingsfor 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