Patents by Inventor Gerhard Martin Salzman

Gerhard Martin Salzman 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).

  • Dentifrice composition
    Patent number: 3941877
    Abstract: Dentifrice composition containing a monofluorophosphate and polishing agent containing calcium carbonate and insoluble alkali metal metaphosphate, alumina or mixture therof. The ratio of calcium carbonate to insoluble alkali metal metaphosphate and to alumina is about 3:1 to about 1000:1. This dentifrice retains a desirable level of soluble fluoride upon aging and when insoluble alkali metal metaphosphate is present, does not cause substantial corrosion of unlined aluminum containers.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: March 2, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: William James King, Leo Thomas Murray, Gerhard Martin Salzman