Patents by Inventor Friedrick Wilhelm Hoffmann

Friedrick Wilhelm Hoffmann 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).

  • Alkyl and cycloalkyl methylphosphonofluoridothioates
    Patent number: 4012465
    Abstract: 1. A compound having the structure represented by the formula: ##STR1## in which R is selected from the group consisting of alkyl groups of 1-5 bon atoms and cycloalkyl groups of 6-9 carbon atoms.
    Type: Grant
    Filed: November 13, 1962
    Date of Patent: March 15, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Friedrick Wilhelm Hoffmann, Ray Rei Irino