Patents by Inventor Paul I. Biley

Paul I. Biley 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: 4988498
    Abstract: The present invention relates to an oral composition such as a dentifrice. It has been found that the stability of a monofluorophosphate and a soluble zinc compound such as zinc citrate is improved in a dentifrice if instead of milled alumina trihydrate abrasive an unmilled precipitated alumina trihydrate abrasive is used in the dentifrice.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: January 29, 1991
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Kenneth A. Evans, Paul I. Biley, Brian Rossall