CPC Main Group
C07C 317/00 Sulfones; Sulfoxides
7 direct subcodes
Child Classifications
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- C07C 317/02 having sulfone or sulfoxide groups bound to acyclic carbon atoms
- C07C 317/12 having sulfone or sulfoxide groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C 317/14 having sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings
- C07C 317/16 having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C 317/24 having sulfone or sulfoxide groups and doubly-bound oxygen atoms bound to the same carbon skeleton
- C07C 317/26 having sulfone or sulfoxide groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
- C07C 317/44 having sulfone or sulfoxide groups and carboxyl groups bound to the same carbon skeleton
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