Patents by Inventor Volker M. Rheinberger

Volker M. Rheinberger 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: 9138382
    Abstract: Radically polymerizable macrocyclic polyethers or macrocyclic heteroanalogous polyethers, preferably crown ethers, heteroanalogous crown ethers and cryptands for use in dental materials is disclosed.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: September 22, 2015
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Frank Zeuner, Urs Karl Fischer, Volker M. Rheinberger, Iris Lamparth
  • Patent number: 8883877
    Abstract: The present invention relates to a dental material comprising, relative to the total mass of the material: (a) 1 to 95 wt.-% of at least one polymerizable N,O-functionalized acrylic acid hydroxamide, (b) 0 to 70 wt.-% diluent monomer, (c) 0 to 70 wt.-%, cross-linker monomer, (d) 0.1 to 5.0 wt.-% polymerization initiator (e) 0 to 80 wt.-% filler, (f) 0 to 70 wt.-% solvent, and (g) 0 to 70 wt.-% adhesive monomer.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: November 11, 2014
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Iris Lamparth, Urs Karl Fischer, Frank Zeuner, Armin de Meijere, Volker M. Rheinberger
  • Patent number: 8829067
    Abstract: Composition with at least one polymerizable binder and one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I), and the use of acylgermanes of Formula (I) as initiators for radical polymerization or for the preparation of dental restorations.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: September 9, 2014
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Frank Zeuner, Robert Liska, Volker M. Rheinberger, Iris Lamparth, Urs Karl Fischer
  • Patent number: 8721336
    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: Grant
    Filed: June 7, 2011
    Date of Patent: May 13, 2014
    Assignee: Ivoclar Vivadent AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Patent number: 8691122
    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: Grant
    Filed: June 7, 2011
    Date of Patent: April 8, 2014
    Assignee: Ivoclar Vivadent AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Patent number: 8546280
    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 1, 2011
    Date of Patent: October 1, 2013
    Assignee: Ivoclar Vivadent AG
    Inventors: Elke Apel, Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker M. Rheinberger
  • Patent number: 8367748
    Abstract: A filler which is surface-modified with a compound of the formula [(PG)-R1—Z]n—SP—[Y—R2-(AG)]m is particularly suitable for use in dental materials, for the preparation of adhesives, coatings and composites.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: February 5, 2013
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jorg Zimmermann, Volker M. Rheinberger
  • Patent number: 8211956
    Abstract: The invention relates to an adhesion-promoter composition for the adhesive joining of metallic or ceramic dental materials to radically curing dental materials, wherein the adhesion-promoter composition contains an alkoxysilane monomer (i), a phosphoric acid ester monomer (ii), a sulphur-containing monomer (iii) and an organic solvent (iv).
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: July 3, 2012
    Assignee: Ivoclar Vivadent AG
    Inventors: Thorsten Bock, Norbert Moszner, Volker M. Rheinberger, Ulrich Salz, Frank Zeuner
  • Patent number: 8133831
    Abstract: Slip for use in a hot-melt inkjet printing process which contains (A) ceramic particles, (B) wax and (C) at least one radically polymerizable monomer, and use of the slip to prepare dental restorations. Furthermore, a process for the preparation of a green compact is described, in which the slip is molded in layers to the geometrical shape of the green compact and subjected to a radical polymerization in order to obtain a cured green compact.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: March 13, 2012
    Assignee: Ivoclar Vivadent AG
    Inventors: Jurgen Laubersheimer, Gianluca Zappini, Volker M. Rheinberger
  • Publication number: 20110319254
    Abstract: The invention relates to compositions based on ZrO2, and single- and multi-coloured blanks made from oxide ceramics, and a process for their preparation, in which a) oxide ceramic powder is coated with a colouring substance, b) the coated powders are preferably graded and at least one coloured powder is filled into a compression mould, c) the coloured powder or powders are compressed to produce a shaped body, and d) the compressed shaped body is sintered to produce a blank, and to the use of these blanks for the preparation of dental restorations.
    Type: Application
    Filed: September 2, 2011
    Publication date: December 29, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Christian RITZBERGER, Elke APEL, Wolfram HÖLAND, Frank ROTHBRUST, Harald KERSCHBAUMER, Volker M. RHEINBERGER
  • Patent number: 8047021
    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: November 5, 2007
    Date of Patent: November 1, 2011
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker M. Rheinberger, Harald Burke, Wolfram Holand
  • Publication number: 20110259053
    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 1, 2011
    Publication date: October 27, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke Apel, Wolfram Höland, Marcel Schweiger, Christian van t'Hoen, Harald Bürke, Volker M. Rheinberger
  • Patent number: 8042358
    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: November 5, 2007
    Date of Patent: October 25, 2011
    Assignee: Ivoclar Vivadent AG
    Inventors: Marcel Schweiger, Volker M. Rheinberger, Harald Burke, Wolfram Holand
  • Publication number: 20110252831
    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 1, 2011
    Publication date: October 20, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke Apel, Wolfram Holland, Marcel Schweiger, Christian van t'Hoen, Harald Burke, Volker M. Rheinberger
  • Patent number: 8034264
    Abstract: The invention relates to compositions based on ZrO2, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably graded and at least one colored powder is filled into a compression mould, the colored powder or powders are compressed to produce a shaped body, and the compressed shaped body is sintered to produce a blank, and to the use of these blanks for the preparation of dental restorations.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: October 11, 2011
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Elke Apel, Wolfram Höland, Frank Rothbrust, Harald Kerschbaumer, Volker M. Rheinberger
  • Publication number: 20110236857
    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 7, 2011
    Publication date: September 29, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Publication number: 20110236855
    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 7, 2011
    Publication date: September 29, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Publication number: 20110215507
    Abstract: The invention relates to suspension of primary particles of oxide-ceramic material, wherein the primary particles have an average particle size in the range from 10 to 1000 nm and are coated with a chromophoric component, a process for their preparation and their use in particular in the preparation of ceramic mouldings and dental restorations. The invention further relates to a process for the preparation of ceramic mouldings.
    Type: Application
    Filed: May 13, 2011
    Publication date: September 8, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Elke APEL, Christian RITZBERGER, Wolfram Höland, Christoph APPERT, Wolfgang WACHTER, Volker M. RHEINBERGER
  • Patent number: 7981531
    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: Grant
    Filed: June 27, 2007
    Date of Patent: July 19, 2011
    Assignee: Ivoclar Vivadent AG
    Inventors: Volker M. Rheinberger, Marcel Schweiger, Robert Kruse, Harald Kerschbaumer
  • Publication number: 20110130486
    Abstract: The present invention relates to a dental material comprising, relative to the total mass of the material: (a) 1 to 95 wt.-% of at least one polymerizable N,O-functionalized acrylic acid hydroxamide, (b) 0 to 70 wt.-% diluent monomer, (c) 0 to 70 wt.-%, cross-linker monomer, (d) 0.1 to 5.0 wt.-% polymerization initiator (e) 0 to 80 wt.-% filler, (f) 0 to 70 wt.-% solvent, and (g) 0 to 70 wt.-% adhesive monomer.
    Type: Application
    Filed: January 18, 2011
    Publication date: June 2, 2011
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Norbert Moszner, Iris Lamparth, Urs Karl Fischer, Frank Zeuner, Armin de Meijere, Volker M. Rheinberger