CPC Subgroup
B01J 20/02 comprising inorganic material
Full Title
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > comprising inorganic material
5 direct subcodes
Child Classifications
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- B01J 20/04 comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J 20/06 comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J 20/10 comprising silica or silicate
- B01J 20/20 comprising free carbon; comprising carbon obtained by carbonising processes
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