Patents Examined by Necholau Ogden
  • Clear, homogeneous and temperature-stable liquid laundry detergent product containing blend of anionic, nonionic and amphoteric surfactants
    Patent number: 5863878
    Abstract: This invention provides a liquid laundry detergent product with high detergency and freeze/thaw and high/low temperature stability. The detergent product is an aqueous medium having a content of sodium carbonate detergent builder, and a surfactant blend of specific amounts of two anionic salt compounds and two nonionic compounds of specific chemical structure, and an amphoteric compound.
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: January 26, 1999
    Assignee: Church & Dwight Co., Inc.
    Inventors: Charles D. Carr, John Ip