IPC Subgroup
C01B 15/01 Hydrogen peroxide
Introduced: January 1980
Last revised: January 2006
Full Title
Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides > Hydrogen peroxide
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
Related Keywords
HYDROGEN peroxide
6 direct subcodes
Child Classifications
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- C01B 15/013 Separation; Purification; Concentration
- C01B 15/022 Preparation from organic compounds
- C01B 15/027 Preparation from water
- C01B 15/029 Preparation from hydrogen and oxygen
- C01B 15/03 Preparation from inorganic peroxy-compounds, e.g. from peroxysulfates
- C01B 15/037 Stabilisation by additives
Top Applicants
Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 5,794
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,286
- LG CHEM KR 2,689
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,669
- CENTRAL SOUTH UNIVERSITY 1,531
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 1,252
- SUMITOMO METAL MINING COMPANY JP 1,073
- ZHEJIANG UNIVERSITY 1,061
- PANASONIC INTELLECTUAL PROPERTY JP 1,058
- PANASONIC INTELLECTUAL PROPERTY 1,038