IPC Main Group
C07D 295/00 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
Introduced: July 1974
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
Related Keywords
PIPERAZINE or derivatives thereofPIPERIDINE or derivatives thereofPYRROLIDINE or derivatives thereof
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C07D 295/02 containing only hydrogen and carbon atoms in addition to the ring hetero elements
- C07D 295/04 with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D 295/16 acylated on ring nitrogen atoms
- C07D 295/22 with hetero atoms directly attached to ring nitrogen atoms
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