Patents by Inventor Marcel Schweiger

Marcel Schweiger 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 glass ceramic
    Patent number: 7867933
    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: October 17, 2008
    Date of Patent: January 11, 2011
    Assignee: Ivoclar Vivadent AG
    Inventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger
  • System for preparing dental restorations
    Patent number: 7845924
    Abstract: The present invention relates to a method and a system for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: December 7, 2010
    Assignee: Ivoclar Vivadent AG
    Inventors: Vittorio Cadario, Harald Bürke, Marcel Schweiger, Volker Rheinberger
  • Lithium silicate materials
    Patent number: 7816291
    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: July 27, 2009
    Date of Patent: October 19, 2010
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker M. Rheinberger, Harald Burke, Wolfram Holand
  • Method for preparing dental restorations
    Patent number: 7704421
    Abstract: The present invention relates to a method for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: April 27, 2010
    Assignee: Ivoclar Vivadent AG
    Inventors: Vittorio Cadario, Harald Bürke, Marcel Schweiger, Volker Rheinberger
  • Machining of Ceramic Materials
    Publication number: 20100058588
    Abstract: Milling strategies for machining dental ceramic materials are provided that reduce milling time while maintaining strength, accuracy and marginal integrity.
    Type: Application
    Filed: September 18, 2009
    Publication date: March 11, 2010
    Applicant: IVOCLAR VIVADENT, AG
    Inventors: Markus Heinz, Klaus Rinner, Georg Gorfer, Marius Aster, Marcel Schweiger, Dmitri Brodkin
  • Lithium Silicate Materails
    Publication number: 20090291820
    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: July 27, 2009
    Publication date: November 26, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Marcel Schweiger, Volker M. Rheinberger, Harald Bürke, Wolfram Höland
  • Method for Preparing Dental Restorations
    Publication number: 20090239199
    Abstract: The present invention relates to a method for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.
    Type: Application
    Filed: June 5, 2009
    Publication date: September 24, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Vittorio Cadario, Harald Burke, Marcel Schweiger, Volker Rheinberger
  • Method and System for Preparing Dental Restorations
    Publication number: 20090136901
    Abstract: The present invention relates to a method and a system for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced through a system of channels in a press mold into a mold cavity in the press mold, wherein the mold cavity corresponds to a dental restoration.
    Type: Application
    Filed: March 26, 2008
    Publication date: May 28, 2009
    Applicant: Ivoclar Vivadent AG
    Inventors: Vittorio Cadario, Harald Burke, Marcel Schweiger, Volker Rheinberger
  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20090038344
    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: October 17, 2008
    Publication date: February 12, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian Ritzberger, Harald Burke, Volker M. Rheinberger
  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20090038508
    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: October 17, 2008
    Publication date: February 12, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke APEL, Wolfram HOLAND, Marcel SCHWEIGER, Christian RITZBERGER, Harald BURKE, Volker M. RHEINBERGER
  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20090042714
    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: October 17, 2008
    Publication date: February 12, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke APEL, Wolfram HOLAND, Marcel SCHWEIGER, Christian RITZBERGER, Harald BURKE, Volker M. RHEINBERGER
  • LITHIUM SILICATE GLASS CERAMIC
    Publication number: 20090042713
    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: October 17, 2008
    Publication date: February 12, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke APEL, Wolfram HOLAND, Marcel SCHWEIGER, Christian RITZBERGER, Harald BURKE, Volker M. RHEINBERGER
  • Lithium silicate glass ceramic
    Patent number: 7452836
    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 6, 2006
    Date of Patent: November 18, 2008
    Assignee: Ivoclar Vivadent AG
    Inventors: Elke Apel, Wolfram Höland, Marcel Schweiger, Christian van t'Hoen, Harald Bürke, Volker M. Rheinberger
  • LITHIUM SILICATE MATERIALS
    Publication number: 20080125303
    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: November 5, 2007
    Publication date: May 29, 2008
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Marcel SCHWEIGER, Volker M. RHEINBERGER, Harald BURKE, Wolfram HOLAND
  • LITHIUM SILICATE MATERIALS
    Publication number: 20080120994
    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: November 5, 2007
    Publication date: May 29, 2008
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Marcel SCHWEIGER, Volker M. RHEINBERGER, Harald BURKE, Wolfram HOLAND
  • Multi-colored shaped body
    Publication number: 20080064011
    Abstract: The present invention relates to a multi-colored shaped body having layers arranged on top of one another for producing dental restorations, a process for its production and its use for the manufacture of dental restorations.
    Type: Application
    Filed: June 27, 2007
    Publication date: March 13, 2008
    Applicant: Ivoclar Vivadent AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Lithium silicate materials
    Patent number: 7316740
    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: August 6, 2004
    Date of Patent: January 8, 2008
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker M. Rheinberger, Harald Bürke, Wolfram Höland
  • Lithium silicate glass ceramic
    Publication number: 20070042889
    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 6, 2006
    Publication date: February 22, 2007
    Applicant: Ivoclar Vivadent AG
    Inventors: Elke Apel, Wolfram Holand, Marcel Schweiger, Christian van t'Hoen, Harald Burke, Volker Rheinberger
  • Lithium silicate materials
    Publication number: 20050098064
    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: August 6, 2004
    Publication date: May 12, 2005
    Inventors: Marcel Schweiger, Volker Rheinberger, Harald Burke, Wolfram Holand
  • Low-temperature-sintering potassium-zinc-silicate glass
    Patent number: 6626986
    Abstract: Potassium-zinc-silicate glasses are described which because of their high chemical stability as well as their optical properties and favorable working properties are suitable in particular as coating or veneering materials for ceramic dental suprastructures and thus for the preparation of all-ceramic dental restorations, such as crowns or bridges.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: September 30, 2003
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker Rheinberger, Wolfram Höland