CPC Subgroup Additional Only
B01J 2219/00819 Materials of construction
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Aspects relating to microreactors > Materials of construction
9 direct subcodes
Child Classifications
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- B01J 2219/00822 Metal
- B01J 2219/00824 Ceramic
- B01J 2219/00831 Glass
- B01J 2219/00833 Plastic
- B01J 2219/00835 Comprising catalytically active material
- B01J 2219/00837 comprising coatings other than catalytically active coatings
- B01J 2219/00844 Comprising porous material
- B01J 2219/00846 comprising nanostructures, e.g. nanotubes
- B01J 2219/00849 comprising packing elements, e.g. glass beads
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