Patents by Inventor Jost W. H. van Krevel

Jost W. H. van Krevel 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).

  • Pigment with day-light fluorescence
    Patent number: 6682663
    Abstract: A pigment, especially a yellow to red emitting luminescent material, with a host lattice of the nitridosilicate type MxSiyNz:Eu, wherein M is at least one of an alkaline earth metal chosen from the group Ca, Sr, Ba and wherein z=⅔x+{fraction (4/3)}y.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: January 27, 2004
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Gilbert Botty, Hubertus T. Hintzen, Jost W. H. van Krevel
  • Light source using a yellow-to-red-emitting phosphor
    Patent number: 6649946
    Abstract: A light source uses a yellow to red emitting phosphor with a host lattice of the nitridosilicate type MxSiyNz:Eu, wherein M is at least one of an alkaline earth metal chosen from the group Ca, Sr, Ba and wherein z=2/3x+4/3y.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: November 18, 2003
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Georg Bogner, Ir G. Botty, Bert Braune, Hubertus T. Hintzen, Jost W. H. van Krevel, Guenter Waitl
  • Pigment with day-light fluorescence
    Publication number: 20030024438
    Abstract: A pigment, especially a yellow to red emitting luminescent material, with a host lattice of the nitridosilicate type MxSiyNz:Eu, wherein M is at least one of an alkaline earth metal chosen from the group Ca, Sr, Ba and wherein z=⅔x+{fraction (4/3)}y.
    Type: Application
    Filed: November 28, 2001
    Publication date: February 6, 2003
    Inventors: Ir G. Botty, Hubertus T. Hintzen, Jost W. H. van Krevel
  • Light source using a yellow-to-red-emitting phosphor
    Publication number: 20030020101
    Abstract: A light source uses a yellow to red emitting phosphor with a host lattice of the nitridosilicate type MxSiyNz:Eu, wherein M is at least one of an alkaline earth metal chosen from the group Ca, Sr, Ba and wherein z=⅔x+{fraction (4/3)}y.
    Type: Application
    Filed: January 22, 2002
    Publication date: January 30, 2003
    Inventors: Georg Bogner, G. Botty, Bert Braune, Hubertus T. Hintzen, Jost W.H. van Krevel, Guenter Waitl