Patents by Inventor Peter Fitton

Peter Fitton 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 preparation of .alpha.-tocopherol
    Patent number: 4208334
    Abstract: A process for producing .alpha.-tocopherol (Vitamin E) by condensing trimethylhydroquinone with either a phytol or an isophytol derivative thereof in the presence of trifluoroacetic acid.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: June 17, 1980
    Assignee: Hoffmann-La Roches Inc.
    Inventors: Peter Fitton, Ronald Propper
  • Method for the preparation of quinoline and aniline compounds
    Patent number: 4157445
    Abstract: Quinoline and aniline compounds have been synthesized from aromatic nitro compounds and ethylenically unsaturated hydrocarbons in the presence of complexes of Group VIII metals used as catalysts.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: June 5, 1979
    Assignee: Union Carbide Corporation
    Inventors: Peter Fitton, Edward A. Rick, Kurt Weinberg
  • Preparation of esters of hydroxy tiglic aldehyde
    Patent number: 4124619
    Abstract: Preparation of carboxylic acid esters of .gamma.-hydroxy-tiglic-aldehyde from bismonocarboxylic acid esters of but-2-en-1,4-diol via 1,4-diacetoxy-2-formyl butane including intermediates in this synthesis.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: November 7, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Peter Fitton, Harold Moffet