B01J 2229/10 After treatment, characterised by the effect to be obtained
Full Title
Aspects of molecular sieve catalysts not covered by B01J29/00 > After treatment, characterised by the effect to be obtained
Filing statistics
CPC B01J 2229/10 belongs to the parent subclass B01J, which recorded 375,224 patent applications worldwide between 2013 and 2023. Annual filings grew from 21,358 in 2013 to 35,413 in 2023 (+66%), peaking at 40,354 applications in 2020. The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (10,345 applications), CHINESE ACADEMY OF SCIENCES (8,352 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (5,134 applications).
Source: EPO PATSTAT, worldwide filings
8 direct subcodes
Child Classifications
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- B01J 2229/12 to alter the outside of the crystallites, e.g. selectivation
- B01J 2229/14 to alter the inside of the molecular sieve channels
- B01J 2229/16 to increase the Si/Al ratio; Dealumination
- B01J 2229/18 to introduce other elements into or onto the molecular sieve itself
- B01J 2229/20 to introduce other elements in the catalyst composition comprising the molecular sieve, but not specially in or on the molecular sieve itself
- B01J 2229/22 to destroy the molecular sieve structure or part thereof
- B01J 2229/24 to stabilize the molecular sieve structure
- B01J 2229/26 to stabilize the total catalyst structure
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