Patents by Inventor Matthias Schaub

Matthias Schaub 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: 8466212
    Abstract: The present invention relates to dental materials composed of calix[n]arenes and also to the use thereof for cements, composites, adhesives and coating materials in the dental field. The materials include (a) 0.5 to 90% by weight of at least one polymerizable calix[n]arene according to formula (I), (b) 0.01 to 5% by weight of initiator, (c) 0 to 90% by weight of at least one additional monomer which can polymerize under cationic and/or radical conditions and/or which can polymerize by ring opening, (d) 0 to 85% by weight of filler, (e) 0.01 to 5% by weight of additive and (f) 0 to 70% by weight of solvent.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: June 18, 2013
    Assignees: Ivoclar Vivadent AG, Haraeus Kulzer GmbH
    Inventors: Norbert Moszner, Helmut Ritter, Urs-Karl Fischer, Monir Tabatabai, Matthias Schaub, Andreas Utterodt
  • Patent number: 8410192
    Abstract: Compositions containing (A) at least one silane-terminated polyether derivative with a content of polyether groups from 10 to 98% and a content of 1 to 25% terminal groups with the structure —NR1—X—Si(OR2)mR3(3-m)??(I) in which m denotes 1, 2 or 3 R1, R2, R3 independently of each other denote H or a saturated or unsaturated, linear, branched, cyclic or polycyclic hydrocarbon group with 0 to 10 heteroatoms from the group O, N, S and a total of 1 to 30 carbon atoms, X denotes a group with the empirical formula CnH2n, n denotes a whole number ?3, with the stipulation that n>3, if R1 stands for H, (B1) water and (B2) at least one organic or inorganic acid, as well as optional diluents and/or fillers and/or ordinary additives, are suitable for preparation of molding compounds, especially in the dental field.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: April 2, 2013
    Assignee: Heraeus Kulzer GmbH
    Inventors: Matthias Schaub, Markus Klein, Holger Urbas, Gottfried Knispel
  • Publication number: 20100311863
    Abstract: The present invention relates to dental materials composed of calix[n]arenes and also to the use thereof for cements, composites, adhesives and coating materials in the dental field. The materials include (a) 0.5 to 90% by weight of at least one polymerizable calix[n]arene according to formula (I), (b) 0.01 to 5% by weight of initiator, (c) 0 to 90% by weight of at least one additional monomer which can polymerize under cationic and/or radical conditions and/or which can polymerize by ring opening, (d) 0 to 85% by weight of filler, (e) 0.01 to 5% by weight of additive and (f) 0 to 70% by weight of solvent.
    Type: Application
    Filed: August 18, 2010
    Publication date: December 9, 2010
    Inventors: Norbert Moszner, Helmut Ritter, Urs-Karl Fischer, Monir Tabatabai, Matthias Schaub, Andreas Utterodt
  • Publication number: 20100087565
    Abstract: Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35.
    Type: Application
    Filed: December 10, 2009
    Publication date: April 8, 2010
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof, Jutta Schneider
  • Publication number: 20100076115
    Abstract: Dental composites comprising monomers, crosslinking agents, fillers, and initiators, in which the crosslinking agent comprises more than 50% by weight of the acrylate monomer TCD-DI-HEA, and the cyctotoxicity of the cured composite as determined according to the standard requirements of ISO 10993-5 and DIN EN ISO 7405 is assessed into the category “no cytotoxic potential”.
    Type: Application
    Filed: November 9, 2009
    Publication date: March 25, 2010
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schönhof
  • Publication number: 20100022739
    Abstract: The present invention relates to impression compounds based on polyether derivatives, a process for their production and their use.
    Type: Application
    Filed: November 23, 2007
    Publication date: January 28, 2010
    Applicant: HERAEUS KULZER GMBH
    Inventors: Hartmut Nefzger, Erika Bauer, Michael Ludewig, Matthias Schaub, Klaus-Dieter Nehren, Michael Freckmann, Holger Urbas
  • Publication number: 20090036565
    Abstract: Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35.
    Type: Application
    Filed: July 7, 2008
    Publication date: February 5, 2009
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof, Jutta Schneider
  • Publication number: 20080264809
    Abstract: Dynamic mixer for viscous pastes, having a buffer chamber for receiving multiple components and having no separation between buffer chamber and mixing chamber.
    Type: Application
    Filed: February 23, 2005
    Publication date: October 30, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: Gottfried Knispel, Klaus-Dieter Nehren, Holger Urbas, Matthias Schaub, Alfred Von Schuckmann
  • Publication number: 20080167399
    Abstract: Compositions for dental composites comprising monomers, crosslinking agents, fillers, initiators, A the proportion of crosslinking agent being formed in an amount of more than 50% by acrylate monomers with a TCD urethane structure having the general formula in which A, X, Z, R1 R2 R3 and r have the meaning indicated in claim 1, provide polymerized composite materials with a particularly low cytotoxicity according to the standard requirements according to ISO 10993-5 and DIN EN ISO 7405.
    Type: Application
    Filed: December 10, 2007
    Publication date: July 10, 2008
    Applicant: HERAEUS KULZER GMBH
    Inventors: Andreas Utterodt, Klaus Ruppert, Matthias Schaub, Christine Diefenbach, Kurt Reischl, Alfred Hohmann, Michael Eck, Nelli Schonhof
  • Publication number: 20080146695
    Abstract: The present invention relates to molding compositions based on silane-terminated polyether derivatives, to a process for their preparation and to their use.
    Type: Application
    Filed: November 20, 2007
    Publication date: June 19, 2008
    Inventors: Hartmut Nefzger, Erika Bauer, Michael Ludewig, Matthias Schaub, Klaus-Dieter Nehren, Michael Freckmann, Holger Urbas
  • Publication number: 20080058443
    Abstract: The present invention relates to dental materials composed of calix[n]arenes and also to the use thereof for cements, composites, adhesives and coating materials in the dental field. The materials include (a) 0.5 to 90% by weight of at least one polymerizable calix[n]arene according to formula (I), (b) 0.01 to 5% by weight of initiator, (c) 0 to 90% by weight of at least one additional monomer which can polymerize under cationic and/or radical conditions and/or which can polymerize by ring opening, (d) 0 to 85% by weight of filler, (e) 0.01 to 5% by weight of additive and (f) 0 to 70% by weight of solvent.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Inventors: Norbert Moszner, Helmut Ritter, Urs-Karl Fischer, Monir Tabatabai, Matthias Schaub, Andreas Utterodt
  • Patent number: 7053135
    Abstract: Two-component preparation on the basis of silane functionalized polyether derivatives, which cures into an elastomer product after the mixing of a base component containing silane functionalized polyether derivate with a catalyst component containing organic or inorganic acid, wherein the base component comprises an antiacid.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: May 30, 2006
    Assignee: Heraeus Kulzer GmbH & Co.KG
    Inventors: Matthias Schaub, Klaus-Dieter Nehren, Michael Freckmann, Holger Urbas
  • Publication number: 20060047063
    Abstract: Compositions containing (A) at least one silane-terminated polyether derivative with a content of polyether groups from 10 to 98% and a content of 1 to 25% terminal groups with the structure —NR1—X—Si(OR2)mR3(3-m)??(I) in which m denotes 1, 2 or 3 R1, R2, R3 independently of each other denote H or a saturated or unsaturated, linear, branched, cyclic or polycyclic hydrocarbon group with 0 to 10 heteroatoms from the group O, N, S and a total of 1 to 30 carbon atoms, X denotes a group with the empirical formula CnH2n, n denotes a whole number ?3, with the stipulation that n>3, if R1 stands for H, (B1) water and (B2) at least one organic or inorganic acid, as well as optional diluents and/or fillers and/or ordinary additives, are suitable for preparation of molding compounds, especially in the dental field.
    Type: Application
    Filed: August 2, 2005
    Publication date: March 2, 2006
    Applicant: HERAEUS KULZER GMBH
    Inventors: Matthias Schaub, Markus Klein, Holger Urbas, Gottfried Knispel
  • Publication number: 20050155269
    Abstract: Two-chamber cartridges for dispensing viscous pastes in which at least one of the chambers has a target break point that does not lie on the surface, of a common wall between the chambers.
    Type: Application
    Filed: December 16, 2004
    Publication date: July 21, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Nehren, Matthias Schaub, Christian Bressler, Benedikt Pollock
  • Patent number: 6884828
    Abstract: A dental impression or doubling composition comprising A) alkoxysilyl-functional polyethers with linear or branched main chains with an average molecular weight (Mn) of 800 to 20,000, containing 20 to 95 weight percent of polyether groups and 0.2 to 25 weight percent of SIR1R2R3 alkoxysilyl groups, in which R1, R2 and R3, independently of one another, are hydrogen, alkyl or alkoxy, and 0 to 10 weight percent of urethane groups or 0 to 10 weight percent of urea groups, and B) a mixture, containing water and organic and/or inorganic acids in a ratio by weight of 1:0.01 to 1:40.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 26, 2005
    Assignee: Heraeus Kulzer GmbH & Co.KG
    Inventors: Matthias Schaub, Michael Freckmann, Holger Urbas
  • Patent number: 6835760
    Abstract: A dental impression or doubling composition comprising alkoxysilyl-functional polyethers, having 20-95% polyether groups, 0.2 to 25% SiR1R2R3 groups and 0-10% urethane or urea groups, and a mixture comprising water and organic or inorganic acids, or both.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: December 28, 2004
    Assignee: Heraues Kulzer GmbH & Co. KG
    Inventors: Matthias Schaub, Michael Freckmann, Holger Urbas
  • Publication number: 20040146713
    Abstract: Two-component preparation on the basis of silane functionalized polyether derivatives, which cures into an elastomer product after the mixing of a base component containing silane functionalized polyether derivate with a catalyst component containing organic or inorganic acid, wherein the base component comprises an antiacid.
    Type: Application
    Filed: August 7, 2003
    Publication date: July 29, 2004
    Applicant: Heraeus Kulzer GmbH & Co. KG
    Inventors: Matthias Schaub, Klaus-Dieter Nehren, Michael Freckmann, Holger Urbas
  • Publication number: 20030127086
    Abstract: A horizontal frame saw is equipped with a plurality of generally parallel, spaced-apart blades for cutting granite. Each of the blades has a cutting edge with diamond cutting segments mounted thereon for engaging the granite with a swinging motion for cutting of the granite.
    Type: Application
    Filed: December 14, 2001
    Publication date: July 10, 2003
    Inventors: Goetz H. Brauninger, Ernesto Dossena, Michael H. Loh, Kurt Proske, Matthias Schaub, Dennis W. Turner, Steven William Webb
  • Publication number: 20030083399
    Abstract: A dental impression or doubling composition comprising
    Type: Application
    Filed: June 28, 2002
    Publication date: May 1, 2003
    Applicant: Heraeus Kulzer GmbH & Co. KG
    Inventors: Matthias Schaub, Michael Freckmann, Holger Urbas
  • Patent number: 6503994
    Abstract: Among other things, a silicone composition curing by condensation at room temperature is prepared from a base dough containing filler and polyorganosiloxane having hydroxy groups, as well as from an activator component containing crosslinker and a catalyst of an organometallic compound, which is characterized in that the activator component additionally contains a polyether having at most one alkoxysilyl group and/or a polyaddition product based on polyether and having at most one alkoxysilyl group.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: January 7, 2003
    Assignee: Heraeus Kulzer GmbH & Co. KG
    Inventors: Klaus-Dieter Nehren, Michael Freckmann, Matthias Schaub