Patents by Inventor Bernd Kuppermann

Bernd Kuppermann 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).

  • Publication number: 20150079543
    Abstract: The invention relates to a hardenable dental composition comprising component (A) comprising a cationically hardenable compound, component (B) comprising an initiator being able to initiate the hardening reaction of the cationically hardenable compound, and component (C) comprising a filler, wherein the filler comprises a filler body and a filler surface, the filler surface comprising side groups with polar moieties. The invention also relates to a process of producing the dental composition, to the use of the dental composition as dental impression material and to a method of taking an impression of dental tissue.
    Type: Application
    Filed: November 19, 2014
    Publication date: March 19, 2015
    Inventors: JOACHIM W. ZECH, THOMAS KLETTKE, SABASTIAN ZELLER, BERND KUPPERMANN, HENDRIK GRUPP
  • Patent number: 8980973
    Abstract: The invention relates to a composition for taking dental impressions, the composition comprising a siloxane component (A) comprising terminal vinyl groups, a siloxane component (B) comprising Si—H groups, a catalyst (C) being able to catalyze a curing reaction between components (A) and (B) and a silicone oil (D), wherein the silicone oil has a viscosity at 23 DEG C of at least about 600,000 mPa*s and is present in an amount from about 1 to about 20 wt.% with respect to the weight of the whole composition. The invention also relates to a method of producing such a composition and a method for adjusting the Shore hardness A of a composition.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: March 17, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Peter Uwe Osswald, Hyung-Min Shim, Johann Fetz, Joachim Wilhelm Zech, Bernd Kuppermann
  • Patent number: 8921475
    Abstract: The invention relates to a hardenable dental composition comprising component (A) comprising a cationically hardenable compound, component (B) comprising an initiator being able to initiate the hardening reaction of the cationically hardenable compound, and component (C) comprising a filler, wherein the filler comprises a filler body and a filler surface, the filler surface comprising side groups with polar moieties. The invention also relates to a process of producing the dental composition, to the use of the dental composition as dental impression material and to a method of taking an impression of dental tissue.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: December 30, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Joachim W. Zech, Thomas Klettke, Sebastian Zeller, Bernd Kuppermann, Hendrik Grupp
  • Publication number: 20140170599
    Abstract: The invention relates to a composition for taking dental impressions, the composition comprising a siloxane component (A) comprising terminal vinyl groups, a silioxane component (B) comprising Si—H groups, a catalyst (C) being able to catalyze a curing reaction between components (A) and (B) and a silicone oil (D), wherein the silicone oil has a viscosity at 23° C. of at least about 600,000 mPa*s and is present in an amount from about 1 to about 20 wt.-% with respect to the weight of the whole composition. The invention also relates to a method of producing such a composition and a method for adjusting the Shore hardness A of a composition.
    Type: Application
    Filed: June 5, 2012
    Publication date: June 19, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Peter Uwe Osswald, Hyung-Min Shim, Johann Fetz, Joachim Wilhelm Zech, Bernd Kuppermann
  • Patent number: 8415266
    Abstract: The invention relates to catalyst components, containing: (A) at least one Brönsted acid, (B) water, (C) at least one antacid-acting compound from the group consisting of the oxides, hydroxides, carbonates and/or carboxylates of the elements aluminum, chromium, copper, germanium, manganese, lead, antimony, tin, tellurium, titanium and/or zinc, (D) optionally at least one inert diluent, (E) optionally at least one modifier, the mixture of one part by weight of the catalyst component with three parts by weight bisaziridino polyether with an average imino equivalent mass of 3100, preparable from a polyetherdiol which comprises ethylene oxide and tetrahydrofuran units in the molar ratio 1:3.5 solidifying within 0.5 to 20 minutes to a solid elastomer material which has a shore A hardness of at least 20 according to DIN 53505 after 24 hours' storage time at room temperature.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: April 9, 2013
    Assignee: 3M Deutschland GmbH
    Inventors: Gunther Eckhardt, Erich Wanek, Bernd Kuppermann
  • Publication number: 20120187017
    Abstract: The invention relates to a hardenable dental composition comprising component (A) comprising a cationically hardenable compound, component (B) comprising an initiator being able to initiate the hardening reaction of the cationically hardenable compound, and component (C) comprising a filler, wherein the filler comprises a filler body and a filler surface, the filler surface comprising side groups with polar moieties. The invention also relates to a process of producing the dental composition, to the use of the dental composition as dental impression material and to a method of taking an impression of dental tissue.
    Type: Application
    Filed: July 19, 2010
    Publication date: July 26, 2012
    Inventors: Joachim W. Zech, Thomas Klettke, Sebastian Zeller, Bernd Kuppermann, Hendrik Grupp
  • Patent number: 8007579
    Abstract: The invention relates to preparations based on polymerizable polyether materials and a fluidity improver and to the use thereof in producing dental materials, especially impression materials.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: August 30, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas Klettke, Bernd Kuppermann, Hendrik M. Grupp
  • Publication number: 20090311651
    Abstract: The invention relates to preparations based on polymerizable polyether materials and a fluidity improver and to the use thereof in producing dental materials, especially impression materials.
    Type: Application
    Filed: July 24, 2007
    Publication date: December 17, 2009
    Inventors: Thomas Klettke, Bernd Kuppermann, Hendrik M. Grupp
  • Publication number: 20030153726
    Abstract: The invention relates to catalyst components, containing:
    Type: Application
    Filed: December 12, 2002
    Publication date: August 14, 2003
    Inventors: Gunther Eckhardt, Erich Wanek, Bernd Kuppermann