Patents by Inventor Sybille A. Frank

Sybille A. Frank 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).

  • Use of nanoparticles to adjust refractive index of dental compositions
    Patent number: 7090721
    Abstract: The present invention features ionomer compositions containing nanofillers that provide the composition with desirable aesthetic properties (e.g., optical translucency). The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: August 15, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Bradley D. Craig, Brant U. Kolb, Joel D. Oxman, Robert F. Peez, Sybille A. Frank
  • Use of nanoparticles to adjust refractive index of dental compositions
    Publication number: 20050252414
    Abstract: The present invention features ionomer compositions containing nanofillers that provide the composition with desirable aesthetic properties (e.g., optical translucency). The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.
    Type: Application
    Filed: May 17, 2004
    Publication date: November 17, 2005
    Inventors: Bradley Craig, Brant Kolb, Joel Oxman, Robert Peez, Sybille Frank
  • Method of producing a dental prosthesis
    Publication number: 20040119180
    Abstract: The invention relates to a method of producing a dental prosthesis, comprising the steps:
    Type: Application
    Filed: February 3, 2004
    Publication date: June 24, 2004
    Inventors: Sybille Frank, Holger Hauptmann, Stefan Moscheler, Robert Schnagl, Daniel Suttor
  • Blank comprised of a zirconium oxide ceramic with an oxide additive and the use thereof
    Patent number: 6713421
    Abstract: The invention relates to blanks comprising zirconium oxide-based ceramic with an addition of 0.1 to 0.50 wt.-% of at least one of the oxides of the elements aluminium, gallium, germanium, indium and their use.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: March 30, 2004
    Assignee: 3M ESPE AG
    Inventors: Holger Hauptmann, Robert Schnagl, Sybille Frank
  • Coloring ceramics by way of ionic or complex-containing solutions
    Patent number: 6709694
    Abstract: The invention relates to the coloring of ceramics by means of ionic or complex-containing solutions. Solutions preferred for this contain defined concentrations of at least one of the salts or complexes of the rare earth elements or the elements of the subgroups. The invention also relates to a kit, which comprises at least one stock bottle with such a coloring solution, a receptacle for the coloring as well as optionally a screen.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: March 23, 2004
    Assignee: 3M ESPE AG
    Inventors: Daniel Suttor, Holger Hauptmann, Robert Schnagl, Sybille Frank