Patents by Inventor Melvin Cooper

Melvin Cooper 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).

  • Alkyl 2-benzylidene-4-(benzimidazol-1-yl) benzoylacetate esters as intermediates
    Patent number: 5070205
    Abstract: Intermediates useful in the synthesis of dihydropyridine platelet activating factor antagonists of the formula ##STR1## where R is phenyl or substituted phenyl; R.sup.3 is lower alkyl; Y is 1,4-phenylene and X is a benzimidazol-1-yl.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: December 3, 1991
    Assignee: Pfizer Inc.
    Inventors: Melvin Cooper, Michael J. Fray, Kenneth Richardson, John Steele