Patents Assigned to RHODIA CHINA CO., LTD.
  • Publication number: 20110052472
    Abstract: The process for the preparation of an yttrium and at least one rare earth mixed oxide comprises the following steps: a. mixing a precursor of the yttrium and at least one rare earth mixed oxide with a flux comprising a barium halide and a boron compound; b. calcining the mixture of step a to obtain said mixed oxide. This mixed oxide may be used as a phosphor in the manufacture of coloured fluorescent lamps, cathode ray tubes and plasma display panels.
    Type: Application
    Filed: July 18, 2008
    Publication date: March 3, 2011
    Applicant: RHODIA CHINA CO., LTD.
    Inventor: Xinming Wan