CPC Subgroup
C07C 225/34 Amino anthraquinones
Full Title
Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones > the carbon skeleton containing carbon atoms of quinone rings > having amino groups bound to carbon atoms of quinone rings or of condensed ring systems containing quinone rings > of condensed quinone ring systems formed by at least three rings > Amino anthraquinones
1 direct subcode
Child Classifications
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- C07C 225/36 the carbon skeleton being further substituted by singly-bound oxygen atoms
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