Patents by Inventor James C. T. B. St. Laurent

James C. T. B. St. Laurent has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Detergent compositions
    Patent number: 4680131
    Abstract: Laundry detergent compositions comprising from about 2% to about 60% of organic surfactant, from about 1% to about 20% of smectite-type clay selected from saponites, hectorites and sodium and calcium montmorillonites, from about 0.001 to about 0.4 mmoles % of copper precomplexed with an aminopolycarboxylate sequestrant, and from about 0.5% to about 50% of peroxygen bleaching agent and/or peroxygen bleach percursor therefor. The compositions provide improved bleaching activity.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: July 14, 1987
    Assignee: The Proctor & Gamble Company
    Inventors: Alfred Busch, James C. T. B. St. Laurent