Patents by Inventor Christi R. Bedell

Christi R. Bedell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Production of chiral non-racemic 2-halopropionic acid or salt thereof
    Patent number: 6184415
    Abstract: It has been discovered that it is possible to produce enantioselectively, a chiral 2-haloalkanoic acid or salt thereof, by subjecting a 2-halo-&agr;,&bgr;-alkenoic acid or salt, e.g., a 2-haloacrylic acid or salt, to asymmetric hydrogenation in the presence of an enantiometrically-enriched (BINAP)Ru(II) catalyst. In contrast to asymmetric hydrogenation of olefinic compounds having an electron rich, electropositive substituent in the 2-position, the substituent in the 2-position is an electronegative, electron-withdrawing halide substituent. The reaction is accelerated by inclusion of an alkali metal halide or quaternary ammonium halide in the reaction mixture.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: February 6, 2001
    Assignee: Albemarle Corporation
    Inventors: Edward G. Samsel, Christi R. Bedell