Patents by Inventor Geoffrey S. Ingram

Geoffrey S. Ingram 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: 4997640
    Abstract: The disclosure concerns a toothpaste having antimicrobial activity packaged in a closed container comprising water, an ascorbic acid compound consisting of ascorbic acid, an ascorbic acid salt or an ascorbic acid ester and a copper catalyst for the auto-oxidation of the ascorbic acid compound during use of the toothpaste.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: March 5, 1991
    Assignee: Chesebrough-Pond's USA Co., division of Conopco, Inc.
    Inventors: Nigel P. Bird, Geoffrey S. Ingram, Paul I. Riley, James A. Ritchie
  • Patent number: 4132773
    Abstract: Dentifrice composition for combatting dental caries containing sodium trimetaphosphate as an anti-caries agent and a compatible abrasive agent comprising a silica xerogel.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: January 2, 1979
    Assignee: Lever Brothers Company
    Inventors: John S. Best, Ronald Hoyles, Geoffrey S. Ingram, Francis B. J. Skinner