Patents by Inventor Gregory Benjamin Bennett

Gregory Benjamin Bennett 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 furo(3,4-e)-as-triazines
    Patent number: 3962240
    Abstract: 5,5,7,7-tetramethyl-3-substituted or unsubstituted-phenylfuro[3,4-e]-as-triazines, e.g., 5,7-dihydro-5,5,7,7-tetramethyl-3-(m-nitrophenyl)furo[3,4-e]-as-triazine, are prepared by reacting a 2,2,5,5-tetramethyl-3,4(2H,5H)furandione with substituted or unsubstituted benzimidic acid hydrazide under an inert atmosphere in the presence of an inert organic solvent and are useful as sleep inducers and minor tranquilizers.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: June 8, 1976
    Assignee: Sandoz, Inc.
    Inventor: Gregory Benjamin Bennett