Patents by Inventor James E. Sumpter

James E. Sumpter 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: 5747008
    Abstract: Dental compositions comprise an abrasive, a humectant material, water and a binder. The abrasive comprises sodium aluminosilicate product having a water demand of greater than 50 g water per 100 g product, and the dental compositions comprise a water to abrasive weight ratio greater than 1.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: May 5, 1998
    Assignee: J.M. Huber Corporation
    Inventors: Satish K. Wason, James E. Sumpter