Patents by Inventor Kerstin Weissenbach

Kerstin Weissenbach 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: 20230357508
    Abstract: A siloxane compound is useful as a bonding agent in an adhesive formulation or sealant formation. A kit-of-parts can contain the siloxane compound. A corresponding method can be used to synthesize the siloxane agent.
    Type: Application
    Filed: August 24, 2021
    Publication date: November 9, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Jürgen Gerhard FRITZ, Ingo Kiefer, Kerstin Weissenbach, Daniela Huber, Svenja Morast, Lars Matt
  • Patent number: 10227434
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of caprylic acid (H3C(CH2)6COOH), (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from this list: —CH2—, —(CH2)2—, —(CH2)3— and C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 12, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Kerstin Weissenbach
  • Patent number: 10093757
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: October 9, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Patent number: 10030084
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of 2-ethyl hexanoic acid [H3C(CH2)3CH(C2H5)COOH], (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from the following list: —CH2—, —(CH2)2—, —(CH2)3— and —C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: July 24, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Helmut Mack, Kerstin Weissenbach
  • 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
  • Publication number: 20160200843
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of 2-ethyl hexanoic acid [H3C(CH2)3CH(C2H5)COOH], (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x ??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C=C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from the following list: —CH2—, —(CH2)2—, —(CH2)3— and —C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Application
    Filed: July 29, 2014
    Publication date: July 14, 2016
    Inventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastian BIELAWSKI, Helmut MACK, Kerstin WEISSENBACH
  • Publication number: 20160200852
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of caprylic acid (H3C(CH2)6COOH), (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from this list: —CH2—, —(CH2)2—, —(CH2)3— and C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Application
    Filed: July 29, 2014
    Publication date: July 14, 2016
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastlan BIELAWSKI, Kerstin WEISSENBACH
  • 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
  • Publication number: 20150080531
    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: Application
    Filed: November 19, 2012
    Publication date: March 19, 2015
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Jaroslaw Monkiewicz, Sven Roth, Bernd Nowitzki, Manuel Friedel
  • Publication number: 20140309447
    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: Application
    Filed: November 19, 2012
    Publication date: October 16, 2014
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Iona-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
  • Publication number: 20140296555
    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: Application
    Filed: November 19, 2012
    Publication date: October 2, 2014
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Jaroslaw Monkiewicz, Sven Roth, Bernd Nowitzki
  • Patent number: 8795784
    Abstract: Aqueous oil-in-water emulsion comprising from 1 to 70% by weight, based on the total weight of the emulsion, of functional alkoxysilanes and/or condensed oligomers thereof and/or organoalkoxysiloxanes, at least one emulsifier and water, wherein the emulsion has a pH of from 5 to 9 and preferably a mean droplet size of the disperse phase of ?0.5 ?m, and the width of the droplet size distribution, expressed as the span (Formula I), is from 0.6 to 1.2. The preparation of the emulsions having the desired droplet size distribution is carried out in apparatuses having at least one pressure stage at a pressure of from 2 to 15 MPa. The emulsion can be used for hydrophobicizing porous mineral building materials.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: August 5, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Bernd Bartkowiak
  • Publication number: 20130253144
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Application
    Filed: May 28, 2013
    Publication date: September 26, 2013
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Kerstin WEISSENBACH, Aristidis IOANNIDIS, Bastian BIELAWSKI
  • Publication number: 20130037744
    Abstract: The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
    Type: Application
    Filed: December 28, 2010
    Publication date: February 14, 2013
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz
  • Publication number: 20120065302
    Abstract: A composite of a lignocellulosic material and a plastic is obtained by grafting an organosilane to the plastic, to obtain a grafted plastic; and compounding the grafted plastic with the lignocellulosic material, to obtain the composite.
    Type: Application
    Filed: July 29, 2009
    Publication date: March 15, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Doris E. Simoes
  • Publication number: 20110282024
    Abstract: The invention relates to the use of organofunctional carboxy compounds as catalysts for silane hydrolysis and/or catalysts for silanol condensation, wherein according to the invention, the term carboxy compounds refers to an organic acid, preferably an organic carboxylic acid with 4 to 46 carbon atoms, such as fatty acids, or an organic acid precursor compound containing silicon, an ?-carboxysilane ((R3—(CO)O)4-z-xSiR2x(A)z, ?-Si-oxycarbonyl-R3), or an organic acid precursor compound which does not contain silicon. The term organic acid precursor compound means esters, lactones, anhydrides, salts of organic cations. The invention also relates to the use of at least one organofunctional carboxy compound for the surface modification of substrates, the substrates modified with the same, and a kit for use in the production of the substrate.
    Type: Application
    Filed: July 9, 2009
    Publication date: November 17, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Kerstin Weissenbach, Jaroslaw Monkiewicz, Burkhard Standke, Manuel Friedel, Thomas Schlosser, Philipp Albert
  • Publication number: 20110144277
    Abstract: The invention relates to the use of a silicon-containing precursor compound of an organic acid, particularly an olefinic silicon-containing precursor compound of an organic acid and/or of a tetracarboxyl silane, for the production of unfilled and/or filled polymer compounds, polymers, or filled plastics, such as granules or finished products, made from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymers. A finished product is an item, such as a molded body, particularly a cable, hose, or pipe. The invention further relates to a master batch comprising the silicon-containing precursor compound.
    Type: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Publication number: 20110144278
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Patent number: 7781520
    Abstract: High-viscosity aqueous emulsions of functional alkoxysilanes, condensed oligomers thereof, organopolysiloxanes, their preparation and use for the surface treatment of inorganic materials High-viscosity aqueous oil-in-water emulsion which comprises from 50 to 90% by weight, based on the total weight of the emulsion, of functional alkoxysilanes and/or condensed oligomers thereof and/or organoalkoxysiloxanes, at least one emulsifier and water and has a pH of from 5 to 9 and a mean droplet size of the disperse phase of less than 5 ?m, wherein the width of the droplet size distribution, expressed as the span (see formula (I)), is >1.5, preferably from 3 to 8. The preparation of the emulsions having the desired droplet size distribution is carried out in apparatuses having at least one pressure stage at a pressure of from 2 to 15 MPa. The emulsion can be used for hydrophobicizing porous mineral building materials.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: August 24, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Kerstin Weissenbach, Bernd Bartkowiak