Patents Represented by Attorney D. Nanfeldt

Find this attorney in the Justia Lawyer Directory

  • Liquid laundry detergent composition containing polyphosphate
    Patent number: 5057238
    Abstract: A liquid heavy duty laundry detergent composition comprising a suspension of polyphosphate builder salt in liquid nonionic surfactant. To improve stability against settling on standing, the composition contains also a small amount of an acidic organic phosphorus compound having an acidic -POH group, such as a partial ester of phosphoric acid and an alkanol.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: October 15, 1991
    Assignee: Colgate-Palmolive Co.
    Inventors: Guy Broze, Trazollah Ouhadi