Patents Represented by Attorney, Agent or Law Firm Daniel P. Chillo
  • Rare earth-transition metal oxide pigments
    Patent number: 6582814
    Abstract: Rare earth-transition metal oxides are used as pigments. The rare earth-transition metal oxide pigments are preferably of the formula (RexTm)Oy, where Re is at least one rare earth element, Tm is at least one transition metal, x ranges from 0.08 to 12, and y ranges from x+1 to 2x+2. The pigments are useful as colorants, and possess good stability.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: June 24, 2003
    Assignee: DMC2 Degussa Metals Catalysts Cerdec AG
    Inventors: Daniel R. Swiler, Terry J. Detrie, Enos A. Axtell, III