CPC Main Group Additional Only
B01J 2531/00 Additional information regarding catalytic systems classified in B01J31/00
11 direct subcodes
Child Classifications
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- B01J 2531/001 General concepts, e.g. reviews, relating to catalyst systems and methods of making them, the concept being defined by a common material or method/theory
- B01J 2531/02 Compositional aspects of complexes used, e.g. polynuclearity
- B01J 2531/10 Complexes comprising metals of Group I (IA or IB) as the central metal
- B01J 2531/20 Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J 2531/30 Complexes comprising metals of Group III (IIIA or IIIB) as the central metal
- B01J 2531/40 Complexes comprising metals of Group IV (IVA or IVB) as the central metal
- B01J 2531/50 Complexes comprising metals of Group V (VA or VB) as the central metal
- B01J 2531/60 Complexes comprising metals of Group VI (VIA or VIB) as the central metal
- B01J 2531/70 Complexes comprising metals of Group VII (VIIB) as the central metal
- B01J 2531/80 Complexes comprising metals of Group VIII as the central metal
- B01J 2531/90 Catalytic systems characterized by the solvent or solvent system used
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