Patents by Inventor James W. Wynne

James W. Wynne 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).

  • Synthesis of S-alkyl and S-aryl thiocarbamates, one-pot two-step general synthesis
    Patent number: 6686494
    Abstract: A method for preparing S-alkyl and S-aryl thiocarbamates comprising reacting a precursor thiol reagent with trichloroacetyl chloride to produce an S-alkyl and S-aryl trichloroacetyl thioester intermediate, which is reacted with an amine to yield the corresponding thiocarbamate product. Also disclosed is the method for preparing S-alkyl and S-aryl thiocarbamates comprising reacting an amine with trichloroacetyl chloride to produce a trichloroacetamide intermediate, which is then reacted with the precursor thiol to yield the corresponding thiocarbamate product.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: February 3, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James W. Wynne, Arthur W. Snow