Patents by Inventor Nadja Schlechtriemen

Nadja Schlechtriemen 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).

  • Patent number: 9662188
    Abstract: The invention relates to a method for producing a dental restoration part, in which method, geometrical data, in particular data with respect to spatial dimensions, position and/or volume of the restoration part, are determined and stored in order to form a virtual restoration part. In a further process step, the virtual restoration part is provided for the tooth (10) to be replaced by using data of the tooth (10) to be replaced, a neighboring tooth (60) and/or a tooth stump, and said data is stored as color data and is used for the computer-assisted production of the virtual restoration part.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: May 30, 2017
    Assignee: Ivoclar Vivadent AG
    Inventors: Jürgen Laubersheimer, Wolfram Murr, Gottfried Rohner, Nadja Schlechtriemen
  • Publication number: 20120308837
    Abstract: Process for the generative preparation of a shaped body in which (a) ceramic slips are applied in layers to a support and cured, (b) a further layer is applied to the cured layer from step (a) and cured, (c) step (b) is repeated until a body with the desired geometric shape is obtained, (d) the body is then subjected to a chemical treatment or a heat treatment to remove the binding agent (debindering), and (e) the body from step (d) is sintered, wherein at least two differently composed ceramic slips are used in steps (a) and (b) for the preparation of the layers.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 6, 2012
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Nadja SCHLECHTRIEMEN, Jürgen LAUBERSHEIMER, Volker RHEINBERGER
  • Publication number: 20120205828
    Abstract: The invention relates to a method for producing a dental restoration part, in which method, geometrical data, in particular data with respect to spatial dimensions, position and/or volume of the restoration part, are determined and stored in order to form a virtual restoration part. In a further process step, the virtual restoration part is provided for the tooth (10) to be replaced by using data of the tooth (10) to be replaced, a neighboring tooth (60) and/or a tooth stump, and said data is stored as color data and is used for the computer-assisted production of the virtual restoration part.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 16, 2012
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Jürgen Laubersheimer, Wolfram Murr, Gottfried Rohner, Nadja Schlechtriemen
  • Patent number: 7566674
    Abstract: In dental ceramics containing zirconium dioxide and silicon-dioxide with a Zr/Si ratio of between 0.5 and 1.0, 1 to 12 wt % of aluminum oxide and up to 2 wt % of an alkali- or earth alkali metal oxide, those materials are selectively mixed with yttrium-stabilized zirconium dioxide with a Zr/Si ratio of the mixture being between 0.5 and 1 wt % and also a silicon organic compound as well as a compression aid, and a green body is formed from the mixture by milling, which green body is then sintered.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: July 28, 2009
    Assignee: Forschungszentrum Karlsruhe GmbH
    Inventors: Joachim Binder, Jürgen Hausselt, Hans-Joachim Ritzhaupt-Kleissl, Nadja Schlechtriemen, Stefan Stolz
  • Publication number: 20070142206
    Abstract: In dental ceramics containing zirconium dioxide and sili-con-dioxide with a Zr/Si ratio of between 0.5 and 1.0, 1 to 12 wt % of aluminum oxide and up to 2 wt % of an alkali - or earth alkali metal oxide, those materials are selectively mixed with yttrium-stabilized zirconium dioxide with a Zr/Si ratio of the mixture being between 0.5 and 1 wt % and also a silicon organic compound as well as a compression aid, and a green body is formed from the mixture by milling, which green body is then sintered.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 21, 2007
    Inventors: Joachim Binder, Jurgen Hausselt, Hans-Joachim Ritzhaupt-Kleissl, Nadja Schlechtriemen, Stefan Stolz