Patents by Inventor Robert S. Robison

Robert S. Robison 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).

  • Method of preparing D(-)-.beta.-hydroxyisobutyric acid by fermentation
    Patent number: 4981794
    Abstract: A method is provided for preparing D(-)-.beta.-hydroxyisobutyric acid by fermentation employing the method and/or ethyl esters of isobutyric acid, the methyl and/or ethyl esters of methacrylic acid, isobutyl isobutyrate and/or isobutyl methacrylate as the substrate and a microorganism of the genus Candida and other fungi. In an alternative method, the isolated cells of the various microorganisms are employed with one or mixtures of the above substrates.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: January 1, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Robert S. Robison, Laszlo J. Szarka
  • Method of preparing L-(+)-.beta.-hydroxyisobutyric acid by fermentation
    Patent number: 4618583
    Abstract: A method is provided for preparing L-(+)-.beta.-hydroxyisobutyric acid by fermentation employing microorganisms of the species Pseudomonas aeruginosa and of the genus Protaminobacter such as of the species Protaminobacter alboflavus, and isobutyric acid and/or methacrylic acid and/or derivatives thereof as the substrate.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: October 21, 1986
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Robert S. Robison, Michael G. Doremus