Patents by Inventor Thomas B. Downing

Thomas B. Downing 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).

  • Process for making branched, substantially unsaturated fatty alcohols
    Patent number: 6548717
    Abstract: A process for making branched, substantially unsaturated fatty alcohols involving: (a) providing a C16-22 fatty acid; (b) dimerizing the C16-22 fatty acid to form a monomer fraction containing branched, substantially unsaturated fatty acids; (c) removing the monomer fraction; (d) esterifying the branched, substantially unsaturated fatty acids contained in the monomer fraction into branched, substantially unsaturated fatty acid methyl esters; and (e) hydrogenating the branched, substantially unsaturated fatty acid methyl esters with their double bonds intact, to form the branched, substantially unsaturated fatty alcohols.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: April 15, 2003
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Alfred Westfechtel, Norbert Huebner, Lothar Friesenhagen, Gerrit Pelzer, Norbert Klein, Ansgar Behler, Thomas B. Downing, Steven A. Kennedy, C. William Blewett