Patents by Inventor Trevor James Smith

Trevor James Smith 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).

  • Reduction of nitro compounds with aqueous solutions of a formate
    Patent number: 4093646
    Abstract: A process for the reduction of organic nitro compounds containing groups which confer solubility in water comprising treatment of said compounds with an aqueous solution of a formate in presence of a hydrogenation catalyst.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: June 6, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Peter Bamfield, Peter Michael Quan, Trevor James Smith
  • Process for the manufacture of anthraquinone compounds
    Patent number: 4086252
    Abstract: Process for the production of .alpha.-(carboxyethylamino)anthraquinones by reacting an .alpha.-aminoanthraquinone with an alkenyl carboxylic acid in sulphuric acid medium containing boric acid, metaboric acid or boric oxide.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: April 25, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventor: Trevor James Smith