Patents by Inventor David S. Lambert

David S. Lambert 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).

  • Patent number: 4133779
    Abstract: A detergent composition containing a semi-polar nonionic detergent and an alkaline earth metal salt of an anionic detergent in a ratio of from 1:100 to 1:2. The composition is especially useful for the removal of greasy soils.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: January 9, 1979
    Assignee: The Procter & Gamble Company
    Inventors: James A. Hellyer, David S. Lambert, Robert Mermelstein