Patents by Inventor Aldrich Paul E.

Aldrich Paul E. 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).

  • Antihypertensive polyfluorohydroxyisopropyl bicyclic and tricyclic carbostyrils
    Patent number: 4251534
    Abstract: Polyfluorohydroxyisopropyl bicyclic and tricyclic carbostyrils, such as 2,3-dihydro-7-methyl-9-[2,2,2-trifluoro-1-hydroxy-1-(trifluoromethyl)ethyl ]-5H-pyrido[1,2,3-de]-1,4-benzoxazin-5-one, useful as antihypertensive agents.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: February 17, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Aldrich Paul E., Gilbert H. Berezin