Patents by Inventor Jan Weststrate

Jan Weststrate 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).

  • Anticariogenic remineralizing dentifrice
    Patent number: 4460565
    Abstract: A dentifrice containing two or more fluorine compounds, at least one soluble salt producing phosphate ions, and at least one substance providing calcium ions, and as a result thereof having good remineralization properties. Preferred compositions contain as the fluorine compounds a fluoride and a monofluorophosphate, as phosphate compounds a cyclic metaphosphate and a linear phosphate, and as calcium compound a calcium salt of an organic acid.
    Type: Grant
    Filed: July 2, 1982
    Date of Patent: July 17, 1984
    Assignee: Intradal N.V.
    Inventors: Jan Weststrate, Ede M. Staal