Patents by Inventor Marie B. Parnell

Marie B. Parnell 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).

  • Dental cream package
    Patent number: 4770324
    Abstract: Dental cream in contact with a polyolefin resin surface of a package such as a laminate tube, a mechanical dispenser or a flexible sachet. The dental cream contains a dentally acceptable water-insoluble alkaline earth metal salt, a liquid vehicle and an alkali metal carboxymethyl cellulose gelling agent. The liquid vehicle contains water, glycerine and sorbitol and, as an additive to prevent syneresis due to contact between the dental cream and polyolefin resin, a stabilizer in the form of parahydroxybenzoate ester.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: September 13, 1988
    Assignee: Colgate-Palmolive Company
    Inventors: Marie B. Parnell, Harry Hayes