Patents by Inventor Burkhard Standke

Burkhard Standke 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: 10626130
    Abstract: A process can prepare a colourless, methanolic solution of 3-(N-benzyl-2-aminoethyl)aminopropyltrimethoxysilane hydrochloride. The process includes, in step 1 fractionally distilling the vinylbenzyl chloride reactant component with addition of at least one stabilizer, and in step 2, metering and mixing the distillate (vinylbenzyl chloride) from step 1 into an initial charge of N-(2-aminoethyl)-3-aminopropyltrimethoxysilane and methanol in a molar ratio of the N-(2-aminoethyl)-3-aminopropyltrimethoxysilane to vinylbenzyl chloride of 1.0:0.80 to 1.0:1.15 and at a temperature in the range from 40 to 60° C. and leaving them to react further. The colourless, methanolic solution has an APHA colour number of <200 mg Pt—Co/l.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 21, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Burkhard Standke, Christian Waßmer, Kerstin Bibbo
  • Publication number: 20190112323
    Abstract: A process can prepare a colourless, methanolic solution of 3-(N-benzyl-2-aminoethyl)aminopropyltrimethoxysilane hydrochloride. The process includes, in step 1 fractionally distilling the vinylbenzyl chloride reactant component with addition of at least one stabilizer, and in step 2, metering and mixing the distillate (vinylbenzyl chloride) from step 1 into an initial charge of N-(2-aminoethyl)-3-aminopropyltrimethoxysilane and methanol in a molar ratio of the N-(2-aminoethyl)-3-aminopropyltrimethoxysilane to vinylbenzyl chloride of 1.0:0.80 to 1.0:1.15 and at a temperature in the range from 40 to 60° C. and leaving them to react further. The colourless, methanolic solution has an APHA colour number of <200 mg Pt—Co/I.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard STANDKE, Christian WAßMER, Kerstin BIBBO
  • Patent number: 10259832
    Abstract: The present invention relates to a process for preparing aqueous hydrolysates of aminoalkyltrialkoxysilanes by (a) initially charging water, optionally heating, (b) adding hydrolysable silanes consisting of at least one aminoalkyltrialkoxysilane in an amount which provides a molar ratio of water to total amount of aminoalkyltrialkoxysilane of 10.5 to 20, and (c) distilling off the alkyl alcohol formed in the reaction, wherein the solids content in an aqueous composition thus prepared is 30% to 55% by weight, based on the composition, and the aqueous solution has a total content of free and bound alkyl alcohol of not more than 1% by weight, based on the composition.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: April 16, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Christian Wassmer, Irene Lippert, Kerstin Bibbo
  • Patent number: 10221200
    Abstract: The invention relates to novel quaternary amino alcohol functional organosilicon compounds, aqueous compositions containing the latter, and a method for their production, in particular in the form of oligomers and polymers which can be present in the partially or fully hydrolyzed form and are in particular water-soluble. The compositions comprise only an extremely small portion of VOCs. The invention further relates to their use, preferably in the production of inkjet photographic papers.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: March 5, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn, Andrea Heuschen
  • Patent number: 9994596
    Abstract: A composition containing 2-ethylhexyl silicate, is produced by heating a reaction mixture of ethyl silicate with an excess amount of 2-ethylhexanol in the presence of titanium tetrabutoxide as catalyst to a temperature below the boiling point of 2-ethylhexanol while mixing, allowing the reaction mixture to react and, after the reaction, removing ethanol and excess 2-ethylhexanol from the reaction mixture by distillation and obtaining the composition containing 2-ethylhexyl silicate.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: June 12, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Roland Krafczyk, Burkhard Standke, Alexander Koepfer, Sascha Erhardt
  • Publication number: 20180127442
    Abstract: The present invention relates to a process for preparing aqueous hydrolysates of aminoalkyltrialkoxysilanes by (a) initially charging water, optionally heating, (b) adding hydrolysable silanes consisting of at least one aminoalkyltrialkoxysilane in an amount which provides a molar ratio of water to total amount of aminoalkyltrialkoxysilane of 10.5 to 20, and (c) distilling off the alkyl alcohol formed in the reaction, wherein the solids content in an aqueous composition thus prepared is 30% to 55% by weight, based on the composition, and the aqueous solution has a total content of free and bound alkyl alcohol of not more than 1% by weight, based on the composition.
    Type: Application
    Filed: April 1, 2016
    Publication date: May 10, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard STANDKE, Christian WASSMER, Irene LIPPERT, Kerstin BIBBO
  • Patent number: 9828392
    Abstract: The invention relates to a composition comprising olefinically functionalized siloxane oligomers derived from olefinically functionalized alkoxysilanes and optionally alkoxysilanes functionalized with saturated hydrocarbons, and also, optionally, a tetraalkoxysilane, which have not more than one olefinic radical on the silicon atom, and whose chloride content is reduced, and also to processes for preparing them and to the use thereof.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: November 28, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Jaroslaw Monkiewicz, Sven Roth, Bernd Nowitzki
  • Patent number: 9796738
    Abstract: The invention relates to novel quaternary amino alcohol functional organosilicon compounds, aqueous compositions containing the latter, and a method for their production, in particular in the form of oligomers and polymers which can be present in the partially or fully hydrolyzed form and are in particular water-soluble. The compositions comprise only an extremely small portion of VOCs. The invention further relates to their use, preferably in the production of inkjet photographic papers.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: October 24, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Christian Waβmer, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn, Andrea Heuschen
  • Publication number: 20170291913
    Abstract: A composition containing 2-propylheptyl silicate is obtained by heating ethyl silicate with an amount of 2-propylheptanol used in excess in the presence of titanium tetrabutoxide as catalyst to a temperature of not more than 220° C. while mixing, allowing them to react and, after the reaction, removing ethanol and excess 2-propylheptanol from the reaction mixture by distillation and obtaining the product, to obtain the composition comprising 2-propylheptyl silicate.
    Type: Application
    Filed: April 11, 2017
    Publication date: October 12, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Roland KRAFCZYK, Alexander KOEPFER, Stefanie MAYER, Burkhard STANDKE
  • Patent number: 9765095
    Abstract: The invention relates to a composition and to a process for producing the composition comprising essentially water-soluble (meth)acrylamido-functional siloxanols, and to the use thereof.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 19, 2017
    Assignee: EVONIK DEGUSSA GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Thomas Schlosser, Regina Krause
  • Publication number: 20170233416
    Abstract: The invention relates to novel quaternary amino alcohol functional organosilicon compounds, aqueous compositions containing the latter, and a method for their production, in particular in the form of oligomers and polymers which can be present in the partially or fully hydrolyzed form and are in particular water-soluble. The compositions comprise only an extremely small portion of VOCs. The invention further relates to their use, preferably in the production of inkjet photographic papers.
    Type: Application
    Filed: May 4, 2017
    Publication date: August 17, 2017
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Christian WASSMER, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn, Andrea Heuschen
  • Publication number: 20170210763
    Abstract: A composition containing 2-ethylhexyl silicate, is produced by heating a reaction mixture of ethyl silicate with an excess amount of 2-ethylhexanol in the presence of titanium tetrabutoxide as catalyst to a temperature below the boiling point of 2-ethylhexanol while mixing, allowing the reaction mixture to react and, after the reaction, removing ethanol and excess 2-ethylhexanol from the reaction mixture by distillation and obtaining the composition containing 2-ethylhexyl silicate.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Roland KRAFCZYK, Burkhard STANDKE, Alexander KOEPFER, Sascha ERHARDT
  • Patent number: 9441094
    Abstract: The invention relates to a composition and to a process for producing the composition comprising (meth)acrylamido-functional siloxanes, and to the use thereof.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: September 13, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Thomas Schlosser, Regina Krause
  • Patent number: 9409930
    Abstract: The invention relates to a composition and to a process for producing the composition comprising essentially water-soluble (meth)acrylamido-functional siloxanols, and to the use thereof.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: August 9, 2016
    Assignee: EVONIK DEGUSSA GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Thomas Schlosser, Regina Krause
  • Publication number: 20160222038
    Abstract: The invention relates to a composition and to a process for producing the composition comprising essentially water-soluble (meth)acrylamido-functional siloxanols, and to the use thereof.
    Type: Application
    Filed: March 15, 2016
    Publication date: August 4, 2016
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Christian WASSMER, Burkhard STANDKE, Thomas SCHLOSSER, Regina KRAUSE
  • Patent number: 9353136
    Abstract: The invention relates to a process for preparing (meth)acrylamido-functional silanes.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: May 31, 2016
    Assignee: EVONIK DEGUSSA GmbH
    Inventors: Christian Wassmer, Burkhard Standke, Thomas Schlosser, Regina Krause
  • Patent number: 9296766
    Abstract: The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetraalkoxysilane, at most comprising an olefinic group on the silicon atom having a reduced chloride content and the VOC content being lower with respect to the hydrolysable alkoxy-groups. The invention also relates to methods for the production thereof and to the use thereof.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: March 29, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Jaroslaw Monkiewicz, Sven Roth, Bernd Nowitzki, Manuel Friedel
  • Patent number: 9273186
    Abstract: The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetra alkoxysilane, at most comprising an olefinic group on the silicon atom and which has a reduced chloride content and a weight average molecular mass (Mw) of more than 315 g/mol.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: March 1, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Ioana-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
  • Patent number: 9200014
    Abstract: The invention relates to a process for dechlorinating alkylsilanes and siloxanes, and also to the use of basic anion exchanger resins for dechlorinating alkyl silanes and alkylsiloxanes.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: December 1, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Mustafa Guezelsahin, Manuel Friedel, Joerg Arndt, Klaus Koellisch
  • Patent number: 9193628
    Abstract: The present invention relates to a hydraulically setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.01% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulically setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as facing concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: November 24, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic