Patents by Inventor Dennis K. Taylor

Dennis K. Taylor 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 (-)dodecahydro-3a,6,6,9a-tetramethyl-naphtho[2,1-b] furan
    Patent number: 5473085
    Abstract: Preparation of a methyl ketone intermediate useful in the synthesis of (-)-dodecahydro-3a,6,6, 9a-tetramethyl-naphtho(2,1-b) furan by subjecting (-)-sclareol to ozonolysis in the presence of iodine or iodine-containing compound. The intermediate can be converted to (-)-dodecahydro-3a,6,6,9a-tetramethyl-naphtho(2,1-b) furan by Baeyer-Villiger oxidation followed by reduction of the resulting product in the presence of a Lewis acid.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: December 5, 1995
    Assignee: Quest International B.V.
    Inventors: Derek H. R. Barton, Dennis K. Taylor, Chi-Lam Tse
  • Preparation of ambrox
    Patent number: 5463089
    Abstract: Synthesis of (-)-dodecahydro-3a,6,6,9a-tetramethyl-naphtho(2,1-b)furan from sclareol in a three-stage process.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: October 31, 1995
    Assignee: Quest International B.V.
    Inventors: Derek H. R. Barton, Shyamal I. Parekh, Dennis K. Taylor, Chi-lam Tse