Patents by Inventor Nathan C. Hindley

Nathan C. Hindley 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 the manufacture of aromatic cyanides
    Patent number: 4378319
    Abstract: The invention provides a process for the preparation of ortho- and para-hydroxybenzyl cyanides. The process of the invention comprises the reaction of an aromatic alcohol selected from ortho- and para-hydroxybenzyl alcohols with a cyanide reagent and an ester capable of esterifying the hydroxyl group of the benzyl alcohol.In a preferred form of the process there is employed a route via the reaction of an ortho- or para-hydroxybenzyl formate with a cyanide reagent preferably selected from sodium and potassium cyanides.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: March 29, 1983
    Assignee: A. H. Marks & Co., Limited
    Inventors: Robert H. Stanley, Nathan C. Hindley