Patents by Inventor James J. Colson, Jr.

James J. Colson, 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).

  • Method of reducing the powder weight of europium activated strontium tetraborate phosphor
    Patent number: 5047173
    Abstract: The powder weight of high powder weight SrB.sub.4 O.sub.7 :Eu phosphor is reduced by milling the phosphor, blending it with EuF.sub.3 and H.sub.3 BO.sub.3, firing the blend and then milling the blend in water containing Sr(OH).sub.2.8H.sub.2 O.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: September 10, 1991
    Assignee: GTE Products Corporation
    Inventors: Anthony F. Kasenga, Joseph J. Lenox, James J. Colson, Jr.