Patents Represented by Attorney, Agent or Law Firm Steven E. Miller
  • Liquid bleaching compositions comprising hydrogen peroxide, betaine, and ethoxylated nonionic surfactant
    Patent number: 6482786
    Abstract: The present invention relates to a liquid bleaching composition comprising a peroxygen bleach, a zwitterionic betaine surfactant, a sulphonated hydrotrope, and a nonionic surfactant. This composition is suitable to deliver excellent stain removal performance and bleaching performance on various surfaces including fabrics and hard-surfaces, with improved physical stability, especially at low temperatures.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: November 19, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Valerio Del Duca, Stefano Giunti, Nobuo Ishida