Patents by Inventor Thomas Ebbrecht

Thomas Ebbrecht 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: 20140131928
    Abstract: A reactive liquid ceramic binder suitable for the production of ceramic products from ceramic powders is provided. The reactive liquid ceramic binder contains organo-modified siloxane compounds, wherein the liquid organo-modified siloxane compounds contain organoalkoxysiloxane units according to general formula (I) wherein R1=alkyl radical and/or aryl radical, R2=H and/or alkyl radical with 1 to 4 carbon atoms, a?0 and ?2, and b>0 and ?3, with the proviso that a+b?1 and ?4.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 15, 2014
    Applicant: Evonik Goldschmidt GMBH
    Inventors: Thomas Ebbrecht, Tadeusz von Rymon Lipinski, Stefan Silber, Bernd Weyershausen
  • Patent number: 8633291
    Abstract: A reactive liquid ceramic binder suitable for the production of ceramic products from ceramic powders is provided. The reactive liquid ceramic binder contains organo-modified siloxane compounds, wherein the liquid organo-modified siloxane compounds contain organoalkoxysiloxane units according to general formula (I) wherein R1=alkyl radical and/or aryl radical, R2?H and/or alkyl radical with 1 to 4 carbon atoms, a?0 and ?2, and b<0 and ?3, with the proviso that a+b?1 and ?4.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: January 21, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Thomas Ebbrecht, Tadeusz von Rymon Lipinski, Stefan Silber, Bernd Weyershausen
  • Publication number: 20130267403
    Abstract: A reactive ceramic binder in liquid form suitable for producing ceramic products from ceramic powder. The reactive, liquid ceramic binder includes liquid organomodified siloxane compounds having organoalkoxysiloxane units of the general formula (I) where the radicals R1 are, independently of one another, identical or different alkyl, alkaryl or aryl radicals which may be interrupted by ether functions, the radicals R2 are, independently of one another, identical or different radicals selected from H and/or alkyl radicals having from 1 to 6 carbon atoms, the radicals R3 are, independently of one another, identical or different divalent, saturated or unsaturated hydrocarbon radicals which have from 1 to 30 carbon atoms and may be interrupted by ether functions, “a” is greater than or equal to 0 and less than or equal to 2.5, “b” is greater than 0 and less than or equal to 3, and 1?a+b?3.
    Type: Application
    Filed: April 2, 2013
    Publication date: October 10, 2013
    Inventors: Tadeusz von Rymon Lipinski, Sascha Herrwerth, Thomas Ebbrecht, Frank Koenig, Michael Ferenz
  • Patent number: 8268939
    Abstract: Use of one or more mixed curable hydroxyl-containing silyl polyethers as a constituent of compositions, as modifiers for surfaces, the silyl polyethers being prepared by DMC-catalysed alkoxylation of epoxy-functional alkoxysilanes.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: September 18, 2012
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Thomas Ebbrecht, Frank Schubert, Matthias Naumann, Wilfried Knott, Kathrin Lehmann, Joachim Venzmer, Berend-Jan De Gans, Stefan Silber, Frauke Henning
  • Publication number: 20120068110
    Abstract: The application relates to a reactive ceramic binder suitable for producing ceramic products from ceramic powder, characterized in that the reactive ceramic binder represents hydroxyl compounds which carry reactive silyl groups and can be additionally (poly)siloxane-substituted.
    Type: Application
    Filed: April 26, 2010
    Publication date: March 22, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Frank Schubert, Thomas Ebbrecht, Matthias Naumann, Wilfried Knott
  • Publication number: 20100210445
    Abstract: The present patent application relates to a reactive ceramic binder in liquid form which is suitable for producing ceramic products from ceramic powder, characterized in that the reactive, liquid ceramic binder comprises liquid organomodified siloxane compounds having organoalkoxysiloxane units of the general formula (I) where the radicals R1 are, independently of one another, identical or different alkyl, alkaryl or aryl radicals which may be interrupted by ether functions, the radicals R2 are, independently of one another, identical or different radicals selected from the group consisting of H and/or alkyl radicals having from 1 to 6 carbon atoms, the radicals R3 are, independently of one another, identical or different divalent, saturated or unsaturated hydrocarbon radicals which have from 1 to 30 carbon atoms and may be interrupted by ether functions and a is greater than or equal to 0 and less than or equal to 2.
    Type: Application
    Filed: February 13, 2009
    Publication date: August 19, 2010
    Inventors: Tadeusz von Rymon Lipinski, Sascha Herrwerth, Thomas Ebbrecht, Frank Koenig, Michael Ferenz
  • Publication number: 20100184913
    Abstract: Use of one or more mixed curable hydroxyl-containing silyl polyethers as a constituent of compositions, as modifiers for surfaces, the silyl polyethers being prepared by DMC-catalysed alkoxylation of epoxy-functional alkoxysilanes.
    Type: Application
    Filed: December 3, 2009
    Publication date: July 22, 2010
    Inventors: Thomas EBBRECHT, Frank Schubert, Matthias Naumann, Wilfried Knott, Kathrin Lehmann, Joachim Venzmer, Berend-Jan De Gans, Stefan Silber, Frauke Henning
  • Publication number: 20080034794
    Abstract: A reactive liquid ceramic binder suitable for the production of ceramic products from ceramic powders is provided. The reactive liquid ceramic binder contains organo-modified siloxane compounds, wherein the liquid organo-modified siloxane compounds contain organoalkoxysiloxane units according to general formula (I) wherein R1=alkyl radical and/or aryl radical, R2?H and/or alkyl radical with 1 to 4 carbon atoms, a?0 and ?2, and b<0 and ?3, with the proviso that a+b?1 and ?4.
    Type: Application
    Filed: April 26, 2007
    Publication date: February 14, 2008
    Applicant: Goldschmidt GmbH
    Inventors: Thomas Ebbrecht, Tadeusz von Rymon Lipinski, Stefan Silber, Bernd Weyershausen
  • Patent number: 6686320
    Abstract: The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble polyoxyalkylene-polysiloxane block copolymers as well as coating materials, printing inks and cooling lubricants containing the inventive defoaming compositions.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: February 3, 2004
    Assignee: Goldschmidt AG
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Patent number: 6552092
    Abstract: The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I where R1—is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably having 4 to 24 carbon atoms and one nitrogen atom or a hydrocarbon radical, preferably having 4 to 30 carbon atoms and one carbonyl group, R2—is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R3—is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R4—is an organic radical, preferably having 2 to 30 carbon atoms, and n—is from 0 to 5; in the form of solid particles, which are obtained by crystallization from a clear homogeneous melt dispersed in a carrier medium, and a process of preparation thereof.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: April 22, 2003
    Assignee: Goldschmidt AG
    Inventors: Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss, Stefan Silber, Roland Sucker
  • Patent number: 6525103
    Abstract: The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: February 25, 2003
    Assignee: Goldschmift AG
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Publication number: 20020169217
    Abstract: The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I 1
    Type: Application
    Filed: February 5, 2002
    Publication date: November 14, 2002
    Inventors: Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss, Stefan Silber, Roland Sucker
  • Publication number: 20020137804
    Abstract: The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media.
    Type: Application
    Filed: February 19, 2002
    Publication date: September 26, 2002
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Publication number: 20020132860
    Abstract: The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media.
    Type: Application
    Filed: March 18, 2002
    Publication date: September 19, 2002
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Patent number: 6451863
    Abstract: The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: September 17, 2002
    Assignee: Golschmidt AG
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Patent number: 6433028
    Abstract: The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble polyoxyalkylene-polysiloxane block copolymers as well as coating materials, printing inks and cooling lubricants containing the inventive defoaming compositions.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: August 13, 2002
    Assignee: Goldschmidt AG
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Patent number: 6420324
    Abstract: The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I where R1 is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably having 4 to 24 carbon atoms and one nitrogen atom or a hydrocarbon radical, preferably having 4 to 30 carbon atoms and one carbonyl group, R2 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R3 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R4 is an organic radical, preferably having 2 to 30 carbon atoms, and n is from 0 to 5; in the form of solid particles, which are obtained by crystallization from a clear homogeneous melt dispersed in a carrier medium, and a process of preparation thereof.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: July 16, 2002
    Assignee: Goldschmidt AG
    Inventors: Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss, Stefan Silber, Roland Sucker
  • Patent number: 6391831
    Abstract: The invention relates to the use of a water-insoluble polyoxyarylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble block copolymers.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: May 21, 2002
    Assignee: Goldschmidt AG
    Inventors: Thomas Ebbrecht, Wolfgang Josten, Michael Keup, Stefan Silber, Roland Sucker
  • Patent number: 6268404
    Abstract: This invention provides radiation-curing coating compositions comprising a mixture of organopolysiloxanes modified laterally and terminally with acrylic groups, which exhibit markedly improved adhesion to a variety of substrates following curing and for which there is little or no change in the adhesiveness on storage for prolonged periods.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: July 31, 2001
    Assignee: Th. Goldschmidt AG
    Inventors: Hardi Döhler, Thomas Ebbrecht, Winfried Hamann, Peter Lersch, Stefan Stadtmüller
  • Patent number: 6211322
    Abstract: The invention relates to organopolysiloxanes comprising (meth)acrylate groups, to a process for their preparation and to their use as radiation-curing coating materials.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: April 3, 2001
    Assignee: Th. Goldschmidt AG
    Inventors: Hardi Döhler, Thomas Ebbrecht, Stefan Stadmüller