CPC Main Group
B01J 23/00 Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence)
13 direct subcodes
Child Classifications
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- B01J 23/02 of the alkali- or alkaline earth metals or beryllium
- B01J 23/06 of zinc, cadmium or mercury
- B01J 23/08 of gallium, indium or thallium
- B01J 23/10 of rare earths
- B01J 23/12 of actinides
- B01J 23/14 of germanium, tin or lead
- B01J 23/16 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J 23/38 of noble metals
- B01J 23/70 of the iron group metals or copper
- B01J 23/90 Regeneration or reactivation
Top Applicants
Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
- CHINESE ACADEMY OF SCIENCES 8,352
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
- LG CHEM KR 4,290
- SAUDI ARABIAN OIL COMPANY SA 3,444
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
- DOW GLOBAL TECHNOLOGIES US 3,195
- MANN + HUMMEL DE 2,822
- JOHNSON MATTHEY GB 2,802
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737