Patents by Inventor Bob Looye

Bob Looye 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).

  • Luminescent screen and low pressure mercury vapor discharge lamp containing the same
    Patent number: 4319161
    Abstract: A luminescent screen comprising a luminescent metaborate provided on a support and having a composition defined by the formula(Y, La).sub.1-x-y-z Ce.sub.x Gd.sub.y Tb.sub.z (Mg, Zn).sub.1-p Mn.sub.p B.sub.5 O.sub.10,wherein,if y=z=p=0, it holds that0.01.ltoreq.x.ltoreq.1.0,if z=p=0, it holds that0.01.ltoreq.x.ltoreq.1-y0.02.ltoreq.y.ltoreq.0.80,if p=0, it holds that0.01.ltoreq.x.ltoreq.1-y-z0 .ltoreq.y.ltoreq.0.98y+z.ltoreq.0.990.01.ltoreq.z.ltoreq.0.75,if z=0, it holds that0.01.ltoreq.z.ltoreq.1-y0.ltoreq.y.ltoreq.0.990.01.ltoreq.p.ltoreq.0.30,and if both p.noteq.0 and z.noteq.0, it holds that0.01.ltoreq.x.ltoreq.1-y-z0.ltoreq.y.ltoreq.0.980.01.ltoreq.z.ltoreq.0.75y+z.ltoreq.0.990.01.ltoreq.p.ltoreq.0.30.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: March 9, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Bob Looye, Johannes T. W. deHair, Cornelis Bakker