Patents by Inventor Benjamas S. Davis

Benjamas S. Davis 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).

  • Photostimulable phosphor for use in radiography
    Patent number: 5514298
    Abstract: A photostimulable rare earth metal doped barium strontium fluoride phosphor, characterized in that said phosphor is within the scope of following empirical formula (I):Ba.sub.1-x Sr.sub.x F.sub.2-a-b Br.sub.a X.sub.b :zAwherein:X is at least one member selected from the group consisting of Cl and I;x is in the range 0.06.ltoreq.x.ltoreq.0.50;a is in the range 0.75.ltoreq.a.ltoreq.0.96;b is in the range 0.ltoreq.b<0.15;z is in the range 10.sup.-7 <z.ltoreq.0.15, andA is Eu.sup.2+ and wherein fluorine is present stoichiometrically in said phosphor in a larger atom % than bromine taken alone or bromine combined with chlorine and/or iodine.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: May 7, 1996
    Assignee: Agfa-Gevaert, N.V.
    Inventors: David R. Terrell, Albert D. Adriaensens, Lodewijk M. Neyens, Melvin Tecotzky, Benjamas S. Davis