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: 7622538
    Abstract: Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3? a heterocyclic ring; R3, R3? independently of each other are a linear or branched aliphatic C1-C50 radical with a valency of m+n or p+n, an aromatic C6-C18 radical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C3-C18 radical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR4, OCONH, or form together with one or more atoms which belong to R2 and the nitrogen atom, to which the R2 is bonded a heterocyclic ring, R3? being H if p=0, and R4 being H, C1-C10 alkyl, C6-C12 aryl, C6-10 aralkyl or a bicylic C4-C12 radial; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p ?0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4; x
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: November 24, 2009
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Iris Lamparth, Frank Zeuner, Ulrich Salz, Angela Mucke, Jorg Zimmermann, Jorg Angermann, Volker M. Rheinberger
  • Patent number: 7595354
    Abstract: A composition comprising (A) at least one fluorinated vinylcyclopropane according to Formula (I) wherein R1 is H or —CO—O—(CH2CH2)p—R7; R2 is H or forms together with R6 a —CH2—C(R9)(R10)—CH2— residue; R3 is H; R4 is H or forms together with R5—CH2—C(R9)(R10)—CH2— residue; R5 is H, —CO—O—R8, —CO—O—(CH2CH2)p—R7 or forms together with R4—CH2—C(R9)(R10)—CH2— residue; R6 is H, —CO—O—R8, —CO—O—(CH2CH2)p—R7 or forms together with R2 a —CH2—C(R9)(R10)—CH2— residue; R7 is perfluorinated C2-C20 aliphatic or alicyclic group; R8 is H, phenyl, benzyl, or a linear or branched C1-C12 aliphatic or alicyclic group; R9 is a H, benzoyl, acetyl or a C1-C5-alkyl group; R10H or a —CO—O—R8; p is 1, 2, 3, or 4, provided that the compound of Formula (I) comprises at least one —CO—O—(CH2CH2)p—R7 residue; (B) at least one non-fluorinated vinylcyclopropane derivative; (C) a bisphenol-A-ether di(meth)acrylate according to Formula (II) wherein R18 is H or CH3, R19 is CH3 or CF3, Y is a C2-C5-alkylen residue which can be substitu
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: September 29, 2009
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Urs Karl Fischer, Volker M Rheinberger, Giancarlo Galli, Marina Ragnoli, Emo Chiellini
  • Publication number: 20090239967
    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: Application
    Filed: November 21, 2008
    Publication date: September 24, 2009
    Applicant: IVOCLAR VIVADENT AG
    Inventors: Norbert MOSZNER, Frank ZEUNER, Robert LISKA, Volker M. RHEINBERGER, Iris LAMPARTH, Urs Karl FISCHER
  • Publication number: 20090139433
    Abstract: The present invention relates to an alkylenediamine-N,N,N?,N?-tetraacetic acid-(meth)acrylamide of formula (I) The invention also relates to a polymerizable composition which is characterized in that it comprises at least one alkylenediamine-N,N,N?,N?-tetraacetic acid-(meth)acrylamide of formula (I), and its use in particular as dental material.
    Type: Application
    Filed: September 10, 2008
    Publication date: June 4, 2009
    Applicant: Ivoclar Vivadent AG
    Inventors: Norbert MOSZNER, Jorg ANGERMANN, Urs Karl FISCHER, Volker M. RHEINBERGER
  • Patent number: 7501457
    Abstract: Dental materials and associated methods are described based on multicyclic allyl sulphides with general Formula (I): in which R1 is H or a C1-C10 alkyl radical; R2 is H or a C1-C10 alkyl radical; R3 is absent or is a C1-C20 alkylene radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C6-C12 radical, a C6-C14 arylene or C7-C20 alkylene arylene radical; R4 is an n-times substituted aliphatic C2 to C20 hydrocarbon radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, an aromatic C6-C14 radical, an aliphatic-aromatic C7-C20 radical or a heterocyclic radical which can contain 4 to 20 carbon atoms and 1 to 6 heteroatoms which are selected from N, O, P and/or S atoms, or which is formed exclusively by these heteroatoms; R5 is absent or is a C1-C10 alkylene radical; X is absent or is O, S, —O—CO— or —O—CO—NH—; Y is absent or is O, S, —O—CO— or —O—CO—NH—; m is 0 or 1 and n is an integer from 3 to 6.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: March 10, 2009
    Assignee: Ivoclar Vivadent AG
    Inventors: Jörg Angermann, Peter Burtscher, Urs Karl Fischer, Norbert Moszner, Volker M. Rheinberger
  • Patent number: 7495037
    Abstract: Polymerizable materials which contain (1) 1 to 80 wt.-% of at least one polysiloxane, (2) 0.1 to 5 wt.-% of one or more initiators for radical polymerization, (3) 0 to 60 wt.-% of radically polymerizable monomer and (4) 1 to 50 wt.-% of one or more radically polymerizable monomers which carry at least phosphonic acid group, sulphonic acid group and/or mono- or dihydrogen phosphoric acid ester group, the polysiloxane (1), the monomer (3) or both being substituted by fluorine. The materials are suitable in particular for the coating of natural or artificial teeth.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: February 24, 2009
    Assignee: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jörg Zimmermann, Volker M. Rheinberger, Rolf Mülhaupt
  • 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20080234405
    Abstract: A material contains at least a polymerizable N,O-functionalized acrylic acid hydroxyamide of the Formula (I) in which A is an n+m-valent linear or branched aliphatic C1 to C50 radical, in which the carbon chain can be interrupted by O, S, —CO—O—, CO—NH, O—CO—NH or NH—CO—NH, an n+m-valent aromatic C6 to C18 radical or an n+m-valent cycloaliphatic or heterocyclic C3 to C18 radical, wherein the radicals can carry one or more substituents, Y is not present, or is O, S, an ester, amide or urethane group, R1 is hydrogen, an aliphatic C1 to C20 alkyl or C3 to C8 cycloalkyl radical which can carry one or more substituents, R2 is H or a C1 to C10 alkyl radical, R3 is not present or is a C1 to C16 alkylene radical which can be interrupted by O, HG is not present, is —COOH, —P?O(OH)2; —P?O(OH)(OR4); —O—P?O(OH)2, —SO2OH or —O—P?O(OH)(OR4), R4 is a C1 to C15 alkyl radical, phenyl or benzyl radical and n is a number from 1 to 5 and m a number from 0 to 3.
    Type: Application
    Filed: September 11, 2007
    Publication date: September 25, 2008
    Applicant: Ivoclar Vivadent AG
    Inventors: Norbert Moszner, Iris Lamparth, Urs Karl Fischer, Frank Zeuner, Armin de Meijere, Volker M. Rheinberger
  • Publication number: 20080160206
    Abstract: The present invention relates to dental composites comprising at least one nanoparticulate mixed oxide (a) of SiO2 with X-ray-opaque metal oxides of one or more elements selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu which has been prepared by flame spraying.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 3, 2008
    Inventors: Peter BURTSCHER, Lutz MADLER, Norbert MOSZNER, Sotiris E. PRATSINIS, Volker M. RHEINBERGER
  • 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
  • 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
  • Patent number: 7371702
    Abstract: Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: May 13, 2008
    Assignee: Ivoclar Vivadent AG
    Inventors: Christian Ritzberger, Elke Apel, Wolfram Holand, Volker M. Rheinberger
  • Publication number: 20080081103
    Abstract: The invention relates to a glass for dental applications which can be used as a glazing material of dental restorations and resists high temperatures, and thus does not tend to flow.
    Type: Application
    Filed: May 10, 2007
    Publication date: April 3, 2008
    Applicant: Ivoclar Vivadent AG
    Inventors: Diana Tauch, Harald Burke, Volker M. Rheinberger
  • 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
  • Patent number: 7335250
    Abstract: The present invention relates to dental composites comprising at least one nanoparticulate mixed oxide (a) of SiO2 with X-ray-opaque metal oxides of one or more elements selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu which has been prepared by flame spraying.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: February 26, 2008
    Assignee: Ivoclar Vivadent AG
    Inventors: Peter Burtscher, Lutz Mädler, Norbert Moszner, Sotiris E. Pratsinis, Volker M. Rheinberger
  • 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