Patents by Inventor Jose Rafael Alvarez

Jose Rafael Alvarez 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 preparation of carbamates of N-hydroxythioimidates
    Patent number: 4096166
    Abstract: An improved process for converting N-hydroxythioimidates to N-(methylcarbamoyloxy)-thioimidates by reaction with methylcarbamoyl chloride at pH above 10 in a two-phase reaction medium: water and a water-immiscible organic solvent.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: June 20, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jose Rafael Alvarez, Julius Jakob Fuchs