CPC Subgroup Additional Only
B01J 2231/342 Aldol type reactions, i.e. nucleophilic addition of C-H acidic compounds, their R3Si- or metal complex analogues, to aldehydes or ketones
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 > 1,2-additions, e.g. aldol or Knoevenagel condensations > Aldol type reactions, i.e. nucleophilic addition of C-H acidic compounds, their R3Si- or metal complex analogues, to aldehydes or ketones
3 direct subcodes
Child Classifications
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- B01J 2231/343 to prepare cyanhydrines, e.g. by adding HCN or TMSCN
- B01J 2231/344 Boronation, e.g. by adding R-B(OR)2
- B01J 2231/345 with organometallic complexes, e.g. by adding ZnR2
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