Patents by Inventor Dennis T. Pipes

Dennis T. Pipes 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).

  • Polyolefin packaged dentifrice having reduced flavor loss
    Patent number: 6113885
    Abstract: A dentifrice packaged in a polyolefin container, the dentifrice having improved stability against flavor loss by adsorption into the polyolefin substrate, the dentifrice containing at least about 30% by weight sorbitol on a neat basis as the sole liquid humectant and no more than about 23% by weight water.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: September 5, 2000
    Assignee: Colgate Palmolive Company
    Inventors: Dennis T. Pipes, Edward S. Hodgetts, Nicholas J. Sparacio