C07C 205/27 the carbon skeleton being further substituted by etherified hydroxy groups
Introduced: January 1990
Last revised: January 2006
Full Title
Compounds containing nitro groups bound to a carbon skeleton > the carbon skeleton being further substituted by etherified hydroxy groups
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Filing statistics
IPC C07C 205/27 belongs to the parent subclass C07C, which recorded 319,159 patent applications worldwide between 2013 and 2023. Annual filings declined from 28,346 in 2013 to 26,894 in 2023 (-5%), peaking at 30,398 applications in 2020. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
5 direct subcodes
Child Classifications
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- C07C 205/28 having nitro groups and etherified hydroxy groups bound to acyclic carbon atoms of the carbon skeleton
- C07C 205/32 having nitro groups bound to acyclic carbon atoms and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C 205/33 having nitro groups or etherified hydroxy groups bound to carbon atoms of rings other than six-membered aromatic rings of the carbon skeleton
- C07C 205/34 having nitro groups bound to carbon atoms of six-membered aromatic rings and etherified hydroxy groups bound to acyclic carbon atoms of the carbon skeleton
- C07C 205/35 having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
Top Applicants
Top 10 applicants by patent filingsfor 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