Patents Assigned to Lurgi AG Abtellung Patente, A-VRP
  • Zinc sulphide pigment
    Patent number: 6436183
    Abstract: Shaped parts made of synthetic organic polymers have a good transparency in the range of visible light, good fire-proofing properties and a good remission from infrared radiation if they contain 1 to 45% by volume transparent zinc sulphide pigment with a mean particle size d50 in the range from 1 to 14 &mgr;m.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: August 20, 2002
    Assignee: Lurgi AG Abtellung Patente, A-VRP
    Inventors: Djamschid Amirzadeh, Jochen Winkler