Patents by Inventor Neil R. Hofmann

Neil R. Hofmann 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).

  • Chemical detection of nitrogen containing compounds
    Patent number: 3979182
    Abstract: A stable detector composition comprising a lower alkyl alcohol, a dialkyl tone, a nitrobenzene and collodion for compounds having the formula ##EQU1## wherein R is ethyl or isopropyl and their decomposition products.
    Type: Grant
    Filed: April 29, 1969
    Date of Patent: September 7, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Michael D. Zumalt, Neil R. Hofmann, Melvin C. Bassett