Patents Assigned to Colgate Polmolive Co.
  • Anionic/cationic surfactant mixtures
    Patent number: 5441541
    Abstract: Complexes of anionic and cationic surfactants have been found to remove oily stains from fabrics remarkably better than either the cationic or anionic surfactant from which they are formed.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: August 15, 1995
    Assignee: Colgate Polmolive Co.
    Inventors: Ammanuel Mehreteab, Frank J. Loprest