Patents Assigned to Th. Goldschmidt AG & GDF Gesellschaft fur Dentale Forschung u. Innovationen GmbH
  • 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