Patents by Inventor Marc DITTMER

Marc DITTMER 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).

  • Lithium silicate-wollastonite glass ceramic
    Patent number: 10590028
    Abstract: Lithium silicate-wollastonite glass ceramics are described which are characterized by a controllable translucence and can be easily machined and therefore can be used in particular as restoration material in dentistry.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 17, 2020
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Wolfram Höland, Markus Rampf, Marcel Schweiger
  • Lithium Silicate-Low Quartz Glass Ceramic
    Publication number: 20200079685
    Abstract: Lithium silicate-low quartz glass ceramics are described which are characterized by a combination of very good mechanical and optical properties and can therefore be used in particular as restoration material in dentistry.
    Type: Application
    Filed: October 18, 2019
    Publication date: March 12, 2020
    Inventors: Christian Ritzberger, Markus Rampf, Wolfram Höland, Marc Dittmer, Marcel Schweiger
  • Lithium silicate-low quartz glass ceramic
    Patent number: 10501366
    Abstract: Lithium silicate-low quartz glass ceramics are described which are characterized by a combination of very good mechanical and optical properties and can therefore be used in particular as restoration material in dentistry.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: December 10, 2019
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Markus Rampf, Wolfram Höland, Marc Dittmer, Marcel Schweiger
  • Glass Ceramic Having A Quartz Solid Solution Phase
    Publication number: 20190365515
    Abstract: Quartz solid solution glass ceramics and precursors thereof are described, which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
    Type: Application
    Filed: July 29, 2019
    Publication date: December 5, 2019
    Inventors: Marc Dittmer, Wolfram Höland, Marcel Schweiger, Christian Rüssel, Sabrina Seidel
  • Lithium silicate diopside glass ceramics
    Patent number: 10457589
    Abstract: Lithium silicate-diopside glass ceramics are described which are characterized by a controllable translucence and can be satisfactorily processed mechanically and therefore can be used in particular as restoration material in dentistry.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: October 29, 2019
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Rampf, Christian Ritzberger, Marc Dittmer, Wolfram Höland, Marcel Schweiger
  • Glass Ceramic Having SiO2 As Main Crystal Phase
    Publication number: 20190315651
    Abstract: Glass ceramics having SiO2 as main crystal phase and precursors thereof are described which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Markus Rampf, Marc Dittmer, Christian Ritzberger, Marcel Schweiger, Wolfram Höland
  • Lithium silicate glass ceramic and glass with rubidium oxide content
    Patent number: 10376343
    Abstract: The invention relates to the use of lithium silicate glass ceramics and glasses with rubidium oxide content for coating an oxide ceramic, a metal or an alloy.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 13, 2019
    Assignee: Ivoclar Vivadent AG
    Inventors: Volker Rheinberger, Markus Rampf, Marc Dittmer, Christian Ritzberger, Wolfram Höland, Marcel Schweiger
  • Glass ceramic with SiO2 as the main crystalline phase
    Patent number: 10377661
    Abstract: Glass ceramics having SiO2 as main crystal phase and precursors thereof are described which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: August 13, 2019
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Rampf, Marc Dittmer, Christian Ritzberger, Marcel Schweiger, Wolfram Höland
  • ZIRCONIA-TOUGHENED GLASS CERAMICS
    Publication number: 20190177210
    Abstract: ZrO2-toughened glass ceramics having high molar fractions of tetragonal ZrO2 and fracture toughness value of greater than 2 MPa·m1/2. The glass ceramic may also include also contain other secondary phases that may be beneficial for toughening or for strengthening through an ion exchange process. Additional second phases may also decrease the coefficient of thermal expansion of the glass ceramic. A method of making such glass ceramics is also provided.
    Type: Application
    Filed: June 26, 2017
    Publication date: June 13, 2019
    Inventors: George Halsey Beall, Marc Dittmer, Qiang Fu, Wolfram Holand, Markus Rampf, Christian Ritzberger, Charlene Marie Smith
  • Lithium Silicate Glass Ceramic With Scheelite Or Powellite Crystal Phase
    Publication number: 20190047905
    Abstract: The invention relates to a lithium silicate glass ceramic which contains lithium silicate as main crystal phase and scheelite and/or powellite as further crystal phases. The invention also relates to a corresponding starting glass, a starting glass with nuclei, a process for producing the glass ceramic and the starting glasses as well as the use thereof.
    Type: Application
    Filed: May 25, 2018
    Publication date: February 14, 2019
    Inventors: Marc Dittmer, Christian Ritzberger, Markus Rampf
  • Lithium Silicate-Wollastonite Glass Ceramic
    Publication number: 20180244563
    Abstract: Lithium silicate-wollastonite glass ceramics are described which are characterized by a controllable translucence and can be easily machined and therefore can be used in particular as restoration material in dentistry.
    Type: Application
    Filed: September 2, 2016
    Publication date: August 30, 2018
    Inventors: Marc Dittmer, Wolfram Höland, Markus Rampf, Marcel Schweiger
  • Lithium Silicate- Low Quartz Glass Ceramic
    Publication number: 20180244564
    Abstract: Lithium silicate-low quartz glass ceramics are described which are characterized by a combination of very good mechanical and optical properties and can therefore be used in particular as restoration material in dentistry.
    Type: Application
    Filed: August 22, 2015
    Publication date: August 30, 2018
    Inventors: Christian Ritzberger, Markus Rampf, Wolfram Höland, Marc Dittmer, Marcel Schweiger
  • Lithium Silicate Diopside Glass Ceramics
    Publication number: 20180009701
    Abstract: Lithium silicate-diopside glass ceramics are described which are characterized by a controllable translucence and can be satisfactorily processed mechanically and therefore can be used in particular as restoration material in dentistry.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 11, 2018
    Inventors: Markus Rampf, Christian Ritzberger, Marc Dittmer, Wolfram Höland, Marcel Schweiger
  • Lithium silicate glass ceramics and lithium silicate glass containing cesium oxide
    Patent number: 9757311
    Abstract: The invention relates to the use of lithium silicate glass ceramics and glasses with caesium oxide content, which are suitable in particular for veneering oxide ceramic restorations and metal restorations.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: September 12, 2017
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Rampf, Marc Dittmer, Wolfram Höland, Urs Bolle, Marcel Schweiger, Volker Rheinberger, Christian Ritzberger
  • Glass Ceramic Having A Quartz Solid Solution Phase
    Publication number: 20170119508
    Abstract: Quartz solid solution glass ceramics and precursors thereof are described, which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
    Type: Application
    Filed: March 27, 2015
    Publication date: May 4, 2017
    Inventors: Marc Dittmer, Wolfram Höland, Marcel Schweiger, Christian Rüssel, Sabrina Berndt
  • GLASS CERAMIC WITH SiO2 AS THE MAIN CRYSTALLINE PHASE
    Publication number: 20170088456
    Abstract: Glass ceramics having SiO2 as main crystal phase and precursors thereof are described which are characterized by very good mechanical and optical properties and in particular can be used as restoration material in dentistry.
    Type: Application
    Filed: May 15, 2015
    Publication date: March 30, 2017
    Inventors: Markus Rampf, Marc Dittmer, Christian Ritzberger, Marcel Schweiger, Wolfram Höland
  • LITHIUM SILICATE GLASS CERAMIC AND GLASS WITH RUBIDIUM OXIDE CONTENT
    Publication number: 20160051349
    Abstract: The invention relates to the use of lithium silicate glass ceramics and glasses with rubidium oxide content for coating an oxide ceramic, a metal or an alloy.
    Type: Application
    Filed: April 8, 2014
    Publication date: February 25, 2016
    Inventors: Volker Rheinberger, Markus Rampf, Marc Dittmer, Christian Ritzberger, Wolfram Höland, Marcel Schweiger
  • LITHIUM SILICATE GLASS CERAMICS AND LITHIUM SILICATE GLASS CONTAINING CESIUM OXIDE
    Publication number: 20150374589
    Abstract: The invention relates to the use of lithium silicate glass ceramics and glasses with caesium oxide content, which are suitable in particular for veneering oxide ceramic restorations and metal restorations.
    Type: Application
    Filed: April 8, 2014
    Publication date: December 31, 2015
    Inventors: Markus RAMPF, Marc DITTMER, Wolfram HÖLAND, Urs BOLLE, Marcel SCHWEIGER, Volker RHEINBERGER, Christian RITZBERGER