B01J 2231/34 Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
Full Title
Catalytic reactions performed with catalysts classified in B01J31/00 > Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds > Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
Filing statistics
CPC B01J 2231/34 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
3 direct subcodes
Child Classifications
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- B01J 2231/341 1,2-additions, e.g. aldol or Knoevenagel condensations
- B01J 2231/348 1,4-additions, e.g. conjugate additions
- B01J 2231/349 1,2- or 1,4-additions in combination with further or prior reactions by the same catalyst, i.e. tandem or domino reactions, e.g. hydrogenation or further addition reactions
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