Patents by Inventor Winfried Kruppa

Winfried Kruppa 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).

  • Anticariogenetic chewing gum
    Patent number: 4474749
    Abstract: Anticariogenetic chewing gum containing a known chewing gum base, sodium fluoride, calcium citrate, tricalcium-bis-orthophosphate, and additives as desired, and as an essential ingredient, a prolamin (Zein G-200) which is applied to the sodium fluoride during processing of the gum.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: October 2, 1984
    Inventor: Winfried Kruppa