Patents by Inventor Thomas Edward Stone

Thomas Edward Stone 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).

  • Coated laundry and/or automatic dishwashing tablets having a chamfered edge for improved structural integrity
    Patent number: 6576599
    Abstract: A laundry and/or automatic dishwashing tablet including a core (10) formed by compressing a particulate material, wherein the particulate material includes a detersive surfactant and a builder. The core (10) is compressed into a tubular configuration having a polygonal cross section and a plurality of surfaces meeting to form a plurality of edges, thereby forming a contoured core (10), wherein at least one of the plurality of edges is chamfered (20). The non-particulate detergent product further includes a coating (12) which substantially covers the contoured core (10).
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: June 10, 2003
    Assignee: The Procter & Gamble Company
    Inventor: Thomas Edward Stone