CPC Subgroup
C07C 311/45 at least one of the singly-bound nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom, e.g. N-acylaminosulfonamides
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, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups > at least one of the singly-bound nitrogen atoms being part of any of the groups [IMAGE cpc-sch-C07C-0976.gif], X being a hetero atom, Y being any atom, e.g. N-acylaminosulfonamides
2 direct subcodes
Child Classifications
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- C07C 311/46 Y being a hydrogen or a carbon atom
- C07C 311/47 Y being a hetero atom
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219