Patents by Inventor James Ray Joiner, Jr.

James Ray Joiner, Jr. 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).

  • Low lag luminescent phosphors and X-ray screen containing the same
    Patent number: 4076897
    Abstract: The addition of potassium or ribidium salts to europium-activated fluorohalide phosphors produces X-ray screens with low lag even at very low europium concentrations.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: February 28, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Ray Joiner, Jr.