CPC Main Group Additional Only
B01J 2235/00 Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
4 direct subcodes
Child Classifications
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- B01J 2235/05 Nuclear magnetic resonance [NMR]
- B01J 2235/10 Infrared [IR]
- B01J 2235/15 X-ray diffraction
- B01J 2235/30 Scanning electron microscopy; Transmission electron microscopy
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