Patents by Inventor Arturas Kastelnikovas

Arturas Kastelnikovas 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).

  • Silicophosphate phosphors
    Patent number: 8987687
    Abstract: The invention relates to compounds of the general formula I (Ba1-a-bSraEub)2+x(Lu1-c-dYcGdd)2?x(PO4)2+x(SiO4)1?x??(I) where b stands for a value from the range 0<b?0.2 a, c, d stand, independently of one another, for a value from the range from 0 to 1 x stands for a value from the range from 0 to 0.8, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: March 24, 2015
    Assignee: Merck Patent GmbH
    Inventors: Holger Winkler, Thomas Juestel, Arturas Kastelnikovas, Olga Darcanova
  • Co-doped 1-1-2 nitrides
    Patent number: 8858834
    Abstract: The invention relates to compounds of the formula (I): (Ca,Sr,Ba)1-x-yMeySiN2:Eux, where Me?Mn2+, Mg2+, Be2+, Ni2+, Co2+ and/or Ru2+; x=0.005 to 0.20; and y<1, and/or of the formula (II): (Ca,Sr,Ba)2-xSi1-zMazN2:Eux, where Ma?Hf4+, Th4+ and/or Zr4+; x=0.005 to 0.20; and z<1, and to a process for the preparation of these compounds, and to the use as phosphors and conversion phosphors for conversion of the blue or near-UV emission from an LED.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: October 14, 2014
    Assignee: MERCK PATENT GmbH
    Inventors: Holger Winkler, Ralf Petry, Thomas Vosgroene, Thomas Juestel, Arturas Kastelnikovas, Dominik Uhlich
  • Silicophosphate phosphors
    Publication number: 20130168574
    Abstract: The invention relates to compounds of the general formula I (Ba1-a-bSraEub)2+x(Lu1-c-dYcGdd)2?x(PO4)2+x(SiO4)1-x??(I) where b stands for a value from the range 0<b?0.2 a, c, d stand, independently of one another, for a value from the range from 0 to 1 x stands for a value from the range from 0 to 0.8, and to a process for the preparation of these phosphors and to the use thereof as conversion phosphors or in lamps.
    Type: Application
    Filed: August 16, 2011
    Publication date: July 4, 2013
    Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
    Inventors: Holger Winkler, Thomas Juestel, Arturas Kastelnikovas, Olga Darcanova
  • CO-DOPED 1-1-2 NITRIDES
    Publication number: 20110227475
    Abstract: The invention relates to compounds of the formula (I): (Ca,Sr,Ba)1-x-yMeySiN2:Eux, where Me?Mn2+, Mg2+, Be2+, Ni2+, Co2+ and/or Ru2+; x=0.005 to 0.20; and y<1, and/or of the formula (II): (Ca,Sr,Ba)2-xSi1-zMazN2:Eux, where Ma?Hf4+, Th4+ and/or Zr4+; x=0.005 to 0.
    Type: Application
    Filed: November 2, 2009
    Publication date: September 22, 2011
    Applicant: Merck Patent Gesellschaft Mit Beschrankter Hatfung
    Inventors: Holger Winkler, Ralf Petry, Thomas Vosgroene, Thomas Juestel, Arturas Kastelnikovas, Dominik Uhlich