Patents by Inventor Allan P. Gray

Allan P. Gray 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).

  • Anti-hypertensive piperidine compounds
    Patent number: 4757079
    Abstract: Novel compounds of the formula: ##STR1## are described wherein Z is a bicyclic aryl group containing between 9 and 10 ring atoms, up to two of which may be nitrogen and up to one of which may be oxygen or sulfur; A is an ethenyl group which may be lower-alkyl-substituted; and R and R' each represent H or an aliphatic group of 1-4 carbon atoms; or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: July 12, 1988
    Assignee: Dynamac Corporaton
    Inventor: Allan P. Gray