IPC Subgroup
C07D 317/56 Radicals substituted by sulfur atoms
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms > having the hetero atoms in positions 1 and 3 > ortho- or peri-condensed with carbocyclic rings or ring systems > condensed with one six-membered ring > Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring > with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring > Radicals substituted by sulfur atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
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