Patents by Inventor Holger Urbas

Holger Urbas 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: 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: 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: 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: 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
  • 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: 20050161454
    Abstract: Device for opening a tubular bag with a blade attached to an inserting tube, wherein the blade is equipped with at least one edge for lancing the tubular bag and with at least one edge for cutting the tubular bag and the shape of the blade is aligned to the inner wall of the outlet for the material contained in the bag.
    Type: Application
    Filed: December 27, 2004
    Publication date: July 28, 2005
    Applicant: Heraeus Kulzer GmbH
    Inventors: Klaus-Dieter Nehren, Gottfried Knispel, Monika Thelen, Holger Urbas, Martina Becker, Markus Klein
  • 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: 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
  • Publication number: 20020156149
    Abstract: Use of mixtures containing
    Type: Application
    Filed: January 22, 2002
    Publication date: October 24, 2002
    Inventors: Matthias Schaub, Michael Freckmann, Holger Urbas