CPC Subgroup Additional Only
B01J 2219/00639 the compounds being trapped in or bound to a porous medium
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology > Features relative to the processes being carried out > Making arrays on substantially continuous surfaces > the compounds being trapped in or bound to a porous medium
2 direct subcodes
Child Classifications
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- B01J 2219/00641 the porous medium being continuous, e.g. porous oxide substrates
- B01J 2219/00644 the porous medium being present in discrete locations, e.g. gel pads
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