Patents by Inventor Wolfram Höland

Wolfram Höland 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 MATERIALS
    Publication number: 20240099819
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Application
    Filed: August 28, 2023
    Publication date: March 28, 2024
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Lithium silicate materials
    Patent number: 11744685
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: September 5, 2023
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • LITHIUM SILICATE MATERIALS
    Publication number: 20220323185
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 13, 2022
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Lithium Silicate-Low Quartz Glass Ceramic
    Publication number: 20220227663
    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: April 6, 2022
    Publication date: July 21, 2022
    Inventors: Christian Ritzberger, Markus Rampf, Wolfram Höland, Marc Dittmer, Marcel Schweiger
  • Lithium silicate materials
    Patent number: 11369460
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: June 28, 2022
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Lithium silicate-low quartz glass ceramic
    Patent number: 11325858
    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: October 18, 2019
    Date of Patent: May 10, 2022
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Markus Rampf, Wolfram Höland, Marc Dittmer, Marcel Schweiger
  • Glass Ceramic Having SiO2 As Main Crystal Phase
    Publication number: 20210340057
    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: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Markus Rampf, Marc Dittmer, Christian Ritzberger, Marcel Schweiger, Wolfram Höland
  • Lithium silicate materials
    Patent number: 11109949
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 7, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • Glass ceramic having SiO2 as main crystal phase
    Patent number: 11091388
    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: June 27, 2019
    Date of Patent: August 17, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Rampf, Marc Dittmer, Christian Ritzberger, Marcel Schweiger, Wolfram Höland
  • LITHIUM SILICATE MATERIALS
    Publication number: 20210238082
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 5, 2021
    Inventors: Elke Signer-Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger
  • Method for the preparation of glasses and glass ceramics with SiO2 as main crystal phase
    Patent number: 11072556
    Abstract: The invention relates to a method for the preparation of a glass ceramic or a glass, which comprise cerium ions and are suitable in particular for the preparation of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth. The invention also relates to a glass ceramic and a glass which can be obtained using the method according to the invention, the use thereof as dental material and in particular for the preparation of dental restorations, as well as a glass-forming composition which is suitable for use in the method according to the invention.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 27, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Rampf, Sebastian Krolikowski, Christian Ritzberger, Wolfram Höland, Marcel Schweiger
  • Glass ceramic having a quartz solid solution phase
    Patent number: 11051918
    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: Grant
    Filed: July 29, 2019
    Date of Patent: July 6, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Wolfram Höland, Marcel Schweiger, Christian Rüssel, Sabrina Seidel
  • CeO2-stabilized ZrO2 ceramics for dental applications
    Patent number: 11040914
    Abstract: The present invention is directed to a porous pre-densified CeO2-stabilized ZrO2 ceramic having a density of 50.0 to 95.0%, relative to the theoretical density of zirconia, and an open porosity of 5 to 50% as well as to a densified CeO2-stabilized ZrO2 ceramic having a density of 97.0 to 100.0%, relative to the theoretical density of zirconia, and wherein the grains of the ceramic have an average grain size of 50 to 1000 nm, methods for the preparation of the pre-densified and densified ceramics and their use for the manufacture of dental restorations.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: June 22, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Frank Rothbrust, Marcel Schweiger, Nicolas Courtois, Jérôme Chevalier, Helen Reveron, Wolfram Höland, Volker Rheinberger
  • Lithium silicate materials
    Patent number: 10981823
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: April 20, 2021
    Assignee: Ivoclar Vivadent AG
    Inventors: Elke Signer-Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger
  • LITHIUM SILICATE MATERIALS
    Publication number: 20200375707
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 3, 2020
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Bürke, Wolfram Höland, Elke Signer-Apel, Christian Ritzberger, Dmitri Brodkin
  • LITHIUM SILICATE GLASS CERAMIC AND GLASS WITH ZrO2 CONTENT
    Publication number: 20200156989
    Abstract: Lithium silicate glass ceramics and glasses are described which can advantageously be applied to zirconium oxide ceramics in particular by pressing-on in the viscous state and form a solid bond with these.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 21, 2020
    Inventors: Christian Ritzberger, Ricardo Dellagiacomo, Marcel Schweiger, Harald Bürke, Wolfram Höland, Volker Rheinberger
  • 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 MATERIALS
    Publication number: 20200024181
    Abstract: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
    Type: Application
    Filed: February 25, 2019
    Publication date: January 23, 2020
    Inventors: Elke Signer-Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger
  • 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