IPC Subgroup
C07D 295/18 by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms > acylated on ring nitrogen atoms > by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
3 direct subcodes
Child Classifications
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- C07D 295/182 Radicals derived from carboxylic acids
- C07D 295/194 Radicals derived from thio- or thiono carboxylic acids
- C07D 295/195 Radicals derived from nitrogen analogues of carboxylic acids
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