IPC Subgroup
C07D 239/12 Nitrogen atoms not forming part of a nitro radical
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine 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 directly attached in position 2 > Nitrogen atoms not forming part of a nitro radical
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C07D 239/14 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to said nitrogen atoms
- C07D 239/16 acylated on said nitrogen atoms
- C07D 239/18 with hetero atoms attached to said nitrogen atoms, except nitro radicals, e.g. hydrazine radicals
Top Applicants
Top 10 applicants by patent filingsfor 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