Patents by Inventor Antonius Maria, Josephus, Hubertus Seuter

Antonius Maria, Josephus, Hubertus Seuter 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).

  • Terbium-activated luminescent garnet material and mercury vapor discharge lamp containing the same
    Patent number: 4093890
    Abstract: Terbium-activated luminescent material with garnet crystal structure satisfying the formulaLn .sub.3-x-p Tb.sub.p A.sub.5-x-2y Me.sup.II.sub.x+y Me.sup.IV.sub.x+y O.sub.12,wherein Ln represents yttrium, gadolinium and/or lutecium, A aluminium and/or gallium, Me.sup.II magnesium, calcium, strontium and/or zinc, and Me.sup.IV silicon, germanium and/or zirconium, and wherein:0 .ltoreq. x .ltoreq. 2.8 0 .ltoreq. Y .ltoreq. 2.00.4 .ltoreq. x+y .ltoreq. 2.8 0.02 .ltoreq. P .ltoreq. 1.50x+p .ltoreq. 3.0is useful in low pressure mercury vapor discharge lamps.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: June 6, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Johannes Gerardus Verriet, Antonius Maria, Josephus, Hubertus Seuter