IPC Main Group
C07C 205/00 Compounds containing nitro groups bound to a carbon skeleton
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
Filing statistics
IPC C07C 205/00 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
NITRO compounds
10 direct subcodes
Child Classifications
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- C07C 205/01 having nitro groups bound to acyclic carbon atoms
- C07C 205/05 having nitro groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C 205/06 having nitro groups bound to carbon atoms of six-membered aromatic rings
- C07C 205/07 the carbon skeleton being further substituted by halogen atoms
- C07C 205/13 the carbon skeleton being further substituted by hydroxy groups
- C07C 205/27 the carbon skeleton being further substituted by etherified hydroxy groups
- C07C 205/39 the carbon skeleton being further substituted by esterified hydroxy groups
- C07C 205/44 the carbon skeleton being further substituted by —CHO groups
- C07C 205/45 the carbon skeleton being further substituted by at least one doubly-bound oxygen atom, not being part of a —CHO group
- C07C 205/49 the carbon skeleton being further substituted by carboxyl groups
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