Patents Assigned to National Starch & Chemical Co. Investment Holding Corporation
  • Patent number: 6277893
    Abstract: A stable oil-in-water emulsion for use in cosmetic compositions comprising an oil phase which contains the combination of a polysaccharide such as animo-mullticarboxylate starch derivative and a dimethicone copolyol as emulsifier, and a water phase.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: August 21, 2001
    Assignee: National Starch & Chemical Co. Investment Holding Corporation
    Inventor: Tamara Babenko
  • Patent number: 6210689
    Abstract: A composition for treating keratin substances comprising selected amphoteric polysaccharide derivatives, preferably guar gum which contain a cationic group comprising an amino, ammonium, imino, sulfonium or phosphonium group and an anionic group comprising a carboxyl, sulfonate, sulfate, phosphate or phosphonate group.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: April 3, 2001
    Assignee: National Starch & Chemical Co. Investment Holding Corporation
    Inventors: Gary T. Martino, Ian W. Cottrell, Manjit S. Chowdhary, Kimberly A. Koltai