Patents Assigned to EMD Chemicals, Inc. (Previously EM Industries)
  • Patent number: 7033614
    Abstract: A rinse-off composition comprising in percent by weight 0.10–10.00 of a dispersion of bismuth oxychloride 3.50–90.00 of a surfactant, 0.001–0.050 of a dye, 3.00–15.00 of an emollient and 10.00–80.00 of water; said dispersion of bismuth oxychloride containing bismuth oxychloride platelet particles having a lateral width of 5–25 microns and a thickness of 20–200 nm, said platelet particles being substantially covered a liquid vehicle and said liquid vehicle being present in an amount sufficient to maintain a stable dispersion and to provide for facile resuspension.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: April 25, 2006
    Assignee: EMD Chemicals, Inc. (Previously EM Industries)
    Inventors: Phil Linz, Rantan K. Chaudhuri