CPC Subgroup
B01D 15/3876 Full Title
Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor > Selective adsorption, e.g. chromatography > characterised by the separation mechanism > involving specific interaction not covered by one or more of groups B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography
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