DIFF Subgroup
C07C 205/37 the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
Introduced: January 1990
Full Title
Compounds containing nitro groups bound to a carbon skeleton > the carbon skeleton being further substituted by etherified hydroxy groups > having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton > to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system > the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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