CPC Subgroup
C07C 209/30 by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
Full Title
Preparation of compounds containing amino groups bound to a carbon skeleton > by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
Filing statistics
CPC C07C 209/30 belongs to the parent subclass C07C, which recorded 309,912 patent applications worldwide between 2013 and 2023. Annual filings grew from 24,406 in 2013 to 24,505 in 2023 (+0%), peaking at 31,531 applications in 2016. The most active applicants in class C07 are ROCHE (12,683 applications), NOVARTIS (10,775 applications) and CHINESE ACADEMY OF SCIENCES (10,619 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- C07C 209/32 by reduction of nitro groups
- C07C 209/38 by reduction of nitroso groups
- C07C 209/40 by reduction of hydroxylamino or oxyimino groups
- C07C 209/42 by reduction of nitrogen-to-nitrogen bonds
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