Patents by Inventor Dennis Lee Perkins

Dennis Lee Perkins 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 delivering chelant agglomerate into detergent composition for improving its storage stability, flowability and scoopability
    Patent number: 6635612
    Abstract: The present invention provides a process for preparation of a chelant composition by a non-spray-drying process, a process for improving one or more of flowability and scoopability of a laundry detergent composition, and a chelant agglomerate useful as an ad-mix in a particulate laundry detergent. In one aspect of the present invention, the process for preparation of a chelant composition by a non-spray-drying process includes the steps of admixing a transition metal chelant and an inorganic compound to form a mixture, aglomerating the mixture in an aqueous medium to form a chelant agglomerate and drying the chelant agglomerate.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: October 21, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Wendell I. Norman, Dennis Lee Perkins