Patents by Inventor John Leheup Archibald

John Leheup Archibald 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).

  • Thioureas
    Patent number: 3931244
    Abstract: The invention relates to thioureas of formula: ##EQU1## wherein R is phenyl, substituted phenyl or furyl and R.sup.1 is hydrogen or methyl. The compounds are useful as anorexiants.
    Type: Grant
    Filed: May 13, 1974
    Date of Patent: January 6, 1976
    Assignee: John Wyeth & Brother Limited
    Inventors: John Leheup Archibald, John Lambert Jackson