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).

  • GLASS CERAMIC WITH QUARTZ SOLID SOLUTION PHASES
    Publication number: 20240132396
    Abstract: Quartz solid solution glass ceramics and precursors thereof are described. which are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 25, 2024
    Inventors: Markus RAMPF, Marc DITTMER, Christian RITZBERGER
  • Fluorescent glass ceramics and glasses with europium content
    Patent number: 11905207
    Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0 and which are suitable in particular for the production of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: February 20, 2024
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
  • SELF-ADHESIVE DENTAL COMPOSITE CEMENT WITH GOOD TRANSPARENCY BASED ON ACID-TREATED FILLERS
    Publication number: 20230201083
    Abstract: A radically polymerizable dental material having at least one radically polymerizable monomer without acid groups, at least one radically polymerizable monomer containing an acid group, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one initiator for the radical polymerization, wherein the filler is an acid-treated fluoroaluminosilicate glass filler and/or radiopaque glass filler.
    Type: Application
    Filed: December 28, 2022
    Publication date: June 29, 2023
    Inventors: Norbert Moszner, Alexandros Gianasmidis, Delphine Catel, Yohann Catel, Andy Brot, Tim Haldner, Christian Ritzberger, Philipp Bielec, Marc Dittmer, Barbara Grabenbauer
  • LITHIUM SILICATE GLASS CERAMIC COMPRISING COPPER
    Publication number: 20230202905
    Abstract: Lithium silicate glass ceramics and precursors thereof are described, which comprise copper and are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Inventors: Marc DITTMER, Markus RAMPF, Christian RITZBERGER, Katrin SULSER
  • LITHIUM SILICATE GLASS CERAMIC COMPRISING TIN
    Publication number: 20230202906
    Abstract: Lithium silicate glass ceramics and precursors thereof are described, which contain tin and are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
    Type: Application
    Filed: December 19, 2022
    Publication date: June 29, 2023
    Inventors: Marc DITTMER, Christian RITZBERGER, Markus RAMPF, Katrin SULSER
  • FORMING APPARATUS FOR A DENTAL OBJECT
    Publication number: 20230121316
    Abstract: A forming apparatus (100) for a dental object (101), having a forming means (127) for producing a predetermined spatial shape of the dental object (101); and a radiation source (105) for emitting radiation having a wavelength shorter than 350 nm onto the material (129) of the dental object (101).
    Type: Application
    Filed: October 13, 2022
    Publication date: April 20, 2023
    Inventors: Markus RAMPF, Marc DITTMER, Christian NIEDRIG, Christian RITZBERGER
  • EXPOSURE DEVICE FOR ILLUMINATING A DENTAL OBJECT
    Publication number: 20230119981
    Abstract: An exposure apparatus (100) for illuminating a dental object (101), including a chamber (103) for receiving the dental object (101); and a radiation source (105) for emitting radiation having a wavelength shorter than 350 nm into the chamber (103).
    Type: Application
    Filed: October 13, 2022
    Publication date: April 20, 2023
    Inventors: Christian Niedrig, Christian Ritzberger, Marc Dittmer, Markus Rampf
  • OVEN FOR HEATING A DENTAL OBJECT
    Publication number: 20230125010
    Abstract: An oven (100) for heating a dental object (101), having a chamber (103) for receiving the dental object (101); a radiation source (105) for emitting radiation having a wavelength smaller than 350 nm into the chamber (103); and heating means (113) for heating the dental object (101) in the chamber (103).
    Type: Application
    Filed: October 13, 2022
    Publication date: April 20, 2023
    Inventors: Christian RITZBERGER, Markus RAMPF, Marc DITTMER, Christian NIEDRIG
  • Method For Manufacturing A Multi-Color Dental Restoration
    Publication number: 20230012752
    Abstract: A process for the preparation of multi-coloured dental restorations is described, in which glasses and glass ceramics with various compositions are given the shapes of dental restorations and colour changes are effected in the glasses and glass ceramics by irradiating them with artificial electromagnetic radiation and subjecting them to a heat treatment.
    Type: Application
    Filed: December 22, 2020
    Publication date: January 19, 2023
    Inventors: Christian Ritzberger, Marc Dittmer, Markus Rampf, Christian Niedrig
  • Fluorescent glass ceramics and glasses with europium content
    Patent number: 11440834
    Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0? and which are suitable in particular for the production of restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: September 13, 2022
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
  • Fluorescent glass ceramics and glasses with cerium and tin content
    Patent number: 11440833
    Abstract: The invention relates to glass ceramics and glasses with cerium and tin content, which comprise the following components: Component wt.-% SiO2 42.0 to 80.0 Al2O3 0.1 to 42.0 Cerium, calculated as CeO2 0.5 to 10.0 Tin, calculated as SnO 0.1 to 4.0 and which are suitable in particular for the preparation of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: September 13, 2022
    Assignee: Ivoclar Vivadent AG
    Inventors: Ronny Hengst, Marc Dittmer
  • 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
  • Fluorescent Glass Ceramics And Glasses With Europium Content
    Publication number: 20220204383
    Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0 and which are suitable in particular for the production of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Inventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
  • 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
  • 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
  • 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
  • Fluorescent Glass Ceramics And Glasses With Cerium And Tin Content
    Publication number: 20200262738
    Abstract: The invention relates to glass ceramics and glasses with cerium and tin content, which comprise the following components: Component wt.-% SiO2 42.0 to 80.0 Al2O3 0.1 to 42.0 Cerium, calculated as CeO2 0.5 to 10.0 Tin, calculated as SnO 0.1 to 4.0 and which are suitable in particular for the preparation of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 20, 2020
    Inventors: Ronny Hengst, Marc Dittmer
  • Fluorescent Glass Ceramics And Glasses With Europium Content
    Publication number: 20200262739
    Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0? and which are suitable in particular for the production of restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 20, 2020
    Inventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
  • Lithium silicate glass ceramic with scheelite or powellite crystal phase
    Patent number: 10626045
    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: Grant
    Filed: May 25, 2018
    Date of Patent: April 21, 2020
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Christian Ritzberger, Markus Rampf