Patents by Inventor Wolfgang Eiselt

Wolfgang Eiselt 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).

  • Casting material for producing casting molds for casting high-melting point materials
    Patent number: 7173079
    Abstract: The casting-mold material designed to manufacture casting molds used in casting high melting-point substances. The casting mold formed from a powder component containing magnesium oxide and aluminum oxide and a liquid component. The powder component additionally contains a calcium aluminate and an alkali fluoride or an earth alkali fluoride and the liquid component contains a polyelectrolyte and a basic component, the latter determining the liquid component pH value between 10 and 14. A fluid slip is prepared by mixing the powder and liquid components and is dried, hardened and sintered to produce a hollow mold.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: February 6, 2007
    Assignees: Schutz-Dental GmbH, Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Susanne Rabe, Wolfgang Eiselt, Reinhard Lenk, Hans-Jürgen Richter
  • Casting material for producing casting molds for casting high-melting point materials
    Publication number: 20050103228
    Abstract: The casting-mold material is designed to manufacture casting molds used in casting high melting-point substances. The casting mold of the invention comprisesis formed from a powder component containing magnesium oxide and aluminum oxide, furtherand a liquid component. The powder component additionally contains a calcium aluminate and an alkali fluoride or an earth alkali fluoride and the liquid component contains a polyelectrolyte and a basic component, the latter determining the liquid component pH value between 10 and 14. A fluid slip is prepared by mixing the powder and liquid components and will beis dried, hardened and then sintered to produce a hollow mold.
    Type: Application
    Filed: December 7, 2001
    Publication date: May 19, 2005
    Inventors: Susanne Rabe, Wolfgang Eiselt, Reinhard Lenk, Hans-Jurgen Richter