Patents by Inventor Anthony Garth Evans

Anthony Garth Evans 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).

  • 4-Aminoquinazoline derivatives as cardiac stimulants
    Patent number: 3971783
    Abstract: Certain novel 7-alkoxy-4-(N-[.omega.-(heteroaryl)alkyl]amino)quinazoline compounds, optionally bearing an alkyl or substituted alkyl group at the 2-position, an alkyl, benzyl, phenyl or alkoxyphenyl group on the 4-amino nitrogen atom, an alkyl or alkoxy group at the 5-position, and an alkyl alkoxy, hydroxy or amino group at the 6-position; and the acid-addition salts thereof. Compounds are cardiac stimulants.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: July 27, 1976
    Assignee: Pfizer Inc.
    Inventors: Ian Thompson Barnish, David Alexander Cox, Anthony Garth Evans