IPC Subgroup
C07C 311/01 Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms
Introduced: January 1990
Last revised: January 2006
Full Title
Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups > Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
4 direct subcodes
Child Classifications
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- C07C 311/02 of an acyclic saturated carbon skeleton
- C07C 311/1 of a saturated carbon skeleton containing rings
- C07C 311/11 of an acyclic unsaturated carbon skeleton
- C07C 311/12 of an unsaturated carbon skeleton containing rings
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