Patents by Inventor Donald W. Clipper

Donald W. Clipper 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: 5849267
    Abstract: A desensitizing anti-tartar dentifrice of low stringiness upon extrusion from a tube or other container onto a toothbrush is provided which also retains desirable cream or gel consistency without becoming thick and difficult to extrude and retains phase integrity without substantial separation, which contains polyphosphate or phosphono compound anti-tartar agent and potassium salt tooth pain inhibitor and in which the gelling agent is a mixture of alkali metal carboxymethyl cellulose, (CMC) and xanthan, wherein the CMC contains about 1.0 to 1.5 carboxymethyl groups per anhydroglycose unit.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: December 15, 1998
    Assignee: Colgate-Palmolive Company
    Inventors: Michael A. Collins, Richard J. Crawford, Donald W. Clipper