Patents by Inventor Gunter Wagenknecht

Gunter Wagenknecht 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).

  • Dental compsition of perfluoroalkyl group-containing (meth-)acrylate esters
    Patent number: 5026902
    Abstract: A dental preparation is disclosed which comprises a (meth-)acrylate ester of the general formula whereinR.sup.1 is the same or different and represents a hydrogen or fluorine groupR.sup.2 is the same or different and represents a hydrogen or methyl group,a has a value of 0, 1, 2, 3 or 4,b has an average value of 2 to 30,n has an average value of 4 to 12 andm has an average value of 3 to 14.The preparation is, for example, suitable as relining material for dental prostheses.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: June 25, 1991
    Assignee: Th. Goldschmidt AG & GDF Gesellschaft fur Dentale Forschung u. Innovationen GmbH
    Inventors: Jurgen Fock, Gunter Hahn, Gunter Wagenknecht