Patents by Inventor James Paul Weiss

James Paul Weiss 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).

  • X-ray screens
    Patent number: 4028550
    Abstract: X-ray screens having reduced mottle and exhibiting improved image quality are prepared using europium-activated fluorohalide phosphors having an aminocoumarin brightening agent added thereto.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: June 7, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James Paul Weiss, Edward Dyal Smith