Patents by Inventor Stewart Curtis Doty

Stewart Curtis Doty 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).

  • PROCESS FOR MAKING A GRANULAR DETERGENT COMPOSITION HAVING IMPROVED SOLUBILITY
    Publication number: 20090149367
    Abstract: The present invention relates to a substrate composition comprising from about 20 wt % to about 60 wt % of a water-soluble and/or water-dispersible polymer and from about 20 wt % to about 80 wt % of a water-soluble inorganic salt. The substrate composition of the present invention has a median particle size of from about 1 micrometer to about 100 micrometers and comprises less than about 10 wt % of water-insoluble material.
    Type: Application
    Filed: November 24, 2008
    Publication date: June 11, 2009
    Inventors: Paul R. Mort, III, Stewart Curtis Doty, Girish Jagannath
  • Process for making a granular detergent composition having improved solubility
    Patent number: 7459422
    Abstract: The present invention relates to a substrate composition comprising from about 20 wt % to about 60 wt % of a water-soluble and/or water-dispersible polymer and from about 20 wt % to about 80 wt % of a water-soluble inorganic salt. The substrate composition of the present invention has a median particle size of from about 1 micrometer to about 100 micrometers and comprises less than about 10 wt % of water-insoluble material.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: December 2, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Paul R Mort, III, Stewart Curtis Doty, Girish Jagannath