Patents by Inventor William M. Wooding

William M. Wooding 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).

  • Anticaries agents
    Patent number: 4020019
    Abstract: Polyethylenimine mono-and difluorophosphates are obtained by the reaction of solutions of polyethylenimines with monofluorophosphoric acid or difluorophosphoric acid at low temperatures. The novel polyethylenimine salts have demonstrated valuable properties in the prevention of dental caries.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: April 26, 1977
    Inventors: Gianluigi Soldati, Ralph G. Eilberg, Helga Melger, William M. Wooding