CPC Subgroup
C07C 49/385 Saturated compounds containing a keto group being part of a ring
Full Title
Ketones; Ketenes; Dimeric ketenes (heterocyclic compounds C07D, e.g. beta-lactones C07D305/12); Ketonic chelates > Saturated compounds containing a keto group being part of a ring
9 direct subcodes
Child Classifications
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- C07C 49/39 of a three- or four-membered ring
- C07C 49/395 of a five-membered ring
- C07C 49/403 of a six-membered ring
- C07C 49/413 of a seven- to twelve-membered ring
- C07C 49/417 polycyclic
- C07C 49/457 containing halogen
- C07C 49/487 containing hydroxy groups
- C07C 49/517 containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups
- C07C 49/523 containing —CHO groups
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