Patents by Inventor Udo Kragl

Udo Kragl 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: 11883803
    Abstract: The present invention is directed to supported catalyst having utility in the polymerization and co-polymerization of epoxide monomers, said supported catalyst having the general Formula (I): [DMCC]*b Supp??(I) wherein: [DMCC] denotes a double metal cyanide complex which comprises a double metal cyanide (DMC) compound, at least one organic complexing agent and a metal salt; Supp denotes a hydrophobic support material; and, b represents the average proportion by weight of said support material, based on the total weight of [DMCC] and Supp, and is preferably in the range 1 wt. %?b?99 wt. %.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 30, 2024
    Assignee: Henkel AG & Co. KGaA
    Inventors: Jan-Erik Damke, Johann Klein, Marion Marquardt, Esteban Mejia, Udo Kragl
  • Publication number: 20230050320
    Abstract: The invention relates to method for preparing a high-purity regenerated polysaccharide by precipitating a dissolved polysaccharide due to a reaction of the solvent with an organic carbonate, which is much more health-friendly, environmentally friendly and safer than conventional methods. Materials from the produced regenerated polysaccharide are also provided.
    Type: Application
    Filed: December 23, 2020
    Publication date: February 16, 2023
    Inventors: Dirk HOLLMANN, Mai Ngoc NGUYEN, Udo KRAGL
  • Patent number: 11326027
    Abstract: A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I) wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C1-C20 alkylene group; R1 is hydrogen, a C1-C8 alkyl group, a C3-C10 cycloalkyl group, a C6-C18 aryl group or an aralkyl group; Ra, Rb, Rc, Rd, R2, R3, R4 and R5 may be the same or different and each is independently selected from hydrogen, a C1-C8 alkyl group, a C6-C18 aryl group or a C6-C18 aralkyl group, with the proviso that at least one of R3 and R4 is not hydrogen; and said siloxane conforming to Formula (II) wherein m is 1, 2, 3, 4 or 5, preferably 1; R6, R7, R8 and R9 may be
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 10, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
  • Patent number: 11078323
    Abstract: The present invention discloses silylated polyurethanes obtainable by reacting at least one polyols, at least one polyisocyanates, at least one amide-functionalized silanes of the general formula (I) as described herein and their preparation methods, curable compositions comprising the silylated polyurethanes and their use as adhesive, sealant, spray foam and/or coating.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: August 3, 2021
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rok Brisar, Udo Kragl, Jan-Erik Damke, Johann Klein, Esteban Mejia
  • Publication number: 20210147632
    Abstract: The invention relates to a process for preparing polyorganosiloxanes by (i) condensation polymerization of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom, (ii) ring-opening polymerization of at least one cyclosiloxane, or (iii) ring-opening polymerization and condensation polymerization of a mixture of at least one linear organosiloxane which has at least one hydroxy group or hydrolysable group bound to a silicon atom and at least one cyclosiloxane with a basic initiator and a hydroxy group-containing compound in the presence of a polar aprotic solvent, wherein the obtained polyorganosiloxanes are not miscible in the polar aprotic solvent at room temperature.
    Type: Application
    Filed: January 26, 2021
    Publication date: May 20, 2021
    Inventors: Christina Despotopoulou, Johann Klein, Therese Hemery, Esteban Mejia, Udo Kragl, Theresia Koehler, Lea Grefe
  • Publication number: 20210122878
    Abstract: The present invention is directed to supported catalyst having utility in the polymerization and co-polymerization of epoxide monomers, said supported catalyst having the general Formula (I): [DMCC]*b Supp??(I) wherein: [DMCC] denotes a double metal cyanide complex which comprises a double metal cyanide (DMC) compound, at least one organic complexing agent and a metal salt; Supp denotes a hydrophobic support material; and, b represents the average proportion by weight of said support material, based on the total weight of [DMCC] and Supp, and is preferably in the range 1 wt. %?b?99 wt. %.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 29, 2021
    Inventors: Jan-Erik Damke, Johann Klein, Marion Marquardt, Esteban Mejia, Udo Kragl
  • Publication number: 20210040269
    Abstract: The present invention is directed to a hydroxyl-functionalized polyether-polysiloxane block copolymer of the structure A(-X—B)n wherein: A represents said polysiloxane block; B represents said polyether block; X is a linker group characterized by including the moiety Si—C—C— of which said Si is the terminal silicon atom of the polysiloxane block A; and, n is an integer of from 2 to 4, said block copolymer being further characterized by a terminal unsaturation of less than 0.04 meq/g, preferably less than 0.03 meq/g and more preferably less than 0.025 meq/g and the method for producing thereof.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 11, 2021
    Inventors: Marta Woznicka, Swarup Ghosh, Marion Marquardt, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Jan-Erik Damke, Johann Klein
  • Patent number: 10654987
    Abstract: The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R1)k(Y)3-k as defined herein; b) at least one titanium complex of formula TiL(OR3)2 wherein each R3 is independently selected from a C1-20 alkyl or aryl which may optionally contain one or more heteroatoms, preferably selected from silicon, sulfur, nitrogen or oxygen atoms, wherein preferably R3 is selected from n-butyl or isopropyl, and L is a deprotonated, tridentate ligand, and c) optionally at least one compound which has a hydrolyzable silicon-containing group and a weight average molecular weight in the range of 100 to 1000 g/mol, preparations containing these compositions and use thereof.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: May 19, 2020
    Assignee: Henkel AG & Co. KGaA
    Inventors: Andrea Gutacker, Esteban Mejia, Udo Kragl, Johann Klein, Martha Hoehne
  • Patent number: 10590151
    Abstract: The invention relates to silane compounds having the general formula (I): SiR1n(R2)4-n (I), as defined herein, to a method for preparing the silane compounds and use thereof as crosslinker or as adhesion promoter and to a curable composition comprising a reaction product of the at least one silane compound, at least one polyorganosiloxane, and at least one catalyst, and use thereof.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: March 17, 2020
    Assignee: Henkel AG & Co. KGaA
    Inventors: Esteban Mejia, Dengxu Wang, Udo Kragl, Andrea Gutacker, Therese Hemery, Adrian Duracu
  • Publication number: 20200048406
    Abstract: The present invention discloses silylated polyurethanes obtainable by reacting at least one polyols, at least one polyisocyanates, at least one amide-functionalized silanes of the general formula (I) as described herein and their preparation methods, curable compositions comprising the silylated polyurethanes and their use as adhesive, sealant, spray foam and/or coating.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Inventors: Rok Brisar, Udo Kragl, Jan-Erik Damke, Johann Klein, Esteban Mejia
  • Publication number: 20190322808
    Abstract: A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a siloxane under anhydrous conditions and under transition metal catalysis, said hydroxylalkyl allyl ether conforming to Formula (I) wherein n is 0, 1, 2, 3, 4 or 5, preferably 0; m is 1, 2, 3, 4 or 5, preferably 1; spacer group A is constituted by a covalent bond or a C1-C20 alkylene group; R1 is hydrogen, a C1-C8 alkyl group, a C3-C10 cycloalkyl group, a C6-C18 aryl group or an aralkyl group; Ra, Rb, Rc, Rd, R2, R3, R4 and R5 may be the same or different and each is independently selected from hydrogen, a C1-C8 alkyl group, a C6-C18 aryl group or a C6-C18 aralkyl group, with the proviso that at least one of R3 and R4 is not hydrogen; and said siloxane conforming to Formula (II) wherein m is 1, 2, 3, 4 or 5, preferably 1; R6, R7, R8 and R9 may be
    Type: Application
    Filed: June 14, 2019
    Publication date: October 24, 2019
    Inventors: Marleen Winterberg, Marta Woznicka, Annika Dietrich, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Ralf Dunekake, David Briers, Johann Klein, Henrik Lund
  • Publication number: 20190202844
    Abstract: The invention relates to silane compounds having the general formula (I): SiR1n(R2)4-n (I), as defined herein, to a method for preparing the silane compounds and use thereof as crosslinker or as adhesion promoter and to a curable composition comprising a reaction product of the at least one silane compound, at least one polyorganosiloxane, and at least one catalyst, and use thereof.
    Type: Application
    Filed: March 8, 2019
    Publication date: July 4, 2019
    Inventors: Esteban Mejia, Dengxu Wang, Udo Kragl, Andrea Gutacker, Therese Hemery, Adrian Duracu
  • Patent number: 10273335
    Abstract: The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R1)k(Y)3-k as defined herein; b) at least one titanium compound of formula Ti(L)n(NX2)m or Ti(R3)(L)3, where each X is independently a hydrogen atom, a hydrocarbon radical containing 1 to 20 C atoms, which may optionally contain one or more heteroatoms, in particular nitrogen atoms, or a silicon-containing organic group, or two X together with the nitrogen atom to which they are bound form a heterocyclic ring; each L is independently a hydrolyzable oxygen- or nitrogen-containing organic group, in particular an alkoxy group; R3 is a hydrocarbon radical containing 1 to 20 C atoms, which may optionally contain one or more heteroatoms, in particular silicon atoms; and m is 1, 2, 3, or 4 and and n is 0, 1, 2, or 3, where m+n=4; and c) optionally at least one compound which has a hydrolyzable silicon-containing group and a molecular weight in the range of 100 to 1000 g/mol,
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: April 30, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Klaus Helpenstein, Johann Klein, Andrea Gutacker, Esteban Mejia, Steve Hillbrandt, Udo Kragl
  • Patent number: 10138329
    Abstract: This disclosure relates to a zinc complex formula (I), as defined herein, to the use of this zinc complex as a catalyst, in particular for the catalysis of a condensation reaction of organosilicon compounds. This disclosure also relates to preparations containing said compounds and to the use thereof.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: November 27, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: Andrea Gutacker, Kerstin Unger, Johann Klein, Helene Boudet, Udo Kragl, Henrik Lund, Esteban Mejia, Jens Baumgard
  • Publication number: 20180291176
    Abstract: The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R1)k(Y)3-k as defined herein; b) at least one titanium complex of formula TiL(OR3)2 wherein each R3 is independently selected from a C1-20 alkyl or aryl which may optionally contain one or more heteroatoms, preferably selected from silicon, sulfur, nitrogen or oxygen atoms, wherein preferably R3 is selected from n-butyl or isopropyl, and L is a deprotonated, tridentate ligand, and c) optionally at least one compound which has a hydrolyzable silicon-containing group and a weight average molecular weight in the range of 100 to 1000 g/mol, preparations containing these compositions and use thereof.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 11, 2018
    Inventors: Andrea Gutacker, Esteban Mejia, Udo Kragl, Johann Klein, Martha Hoehne
  • Patent number: 10059728
    Abstract: The present invention relates to a method for preparing functionalized cyclosiloxanes of Formula I, wherein R, R1, R2, m, n1 and n2 are as defined herein, comprising reacting (i) a cyclosiloxane of Formula II with (ii) a substituted acetylene of Formula III in the presence of a hydrosilylation catalyst. The invention further relates to methods for preparing biscyclosiloxanes by reacting the vinyl cyclosiloxanes obtained according to the described methods and the (bis)cyclosiloxanes obtainable according to the described methods.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: August 28, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
  • Publication number: 20170313822
    Abstract: This disclosure relates to a zinc complex formula (I), as defined herein, to the use of this zinc complex as a catalyst, in particular for the catalysis of a condensation reaction of organosilicon compounds. This disclosure also relates to preparations containing said compounds and to the use thereof.
    Type: Application
    Filed: July 18, 2017
    Publication date: November 2, 2017
    Inventors: Andrea Gutacker, Kerstin Unger, Johann Klein, Helene Boudet, Udo Kragl, Henrik Lund, Esteban Mejia, Jens Baumgard
  • Publication number: 20170096438
    Abstract: The present invention relates to a method for preparing functionalized cyclosiloxanes of Formula I, wherein R, R1, R2, m, n1 and n2 are as defined herein, comprising reacting (i) a cyclosiloxane of Formula II with (ii) a substituted acetylene of Formula III in the presence of a hydrosilylation catalyst. The invention further relates to methods for preparing biscyclosiloxanes by reacting the vinyl cyclosiloxanes obtained according to the described methods and the (bis)cyclosiloxanes obtainable according to the described methods.
    Type: Application
    Filed: October 17, 2016
    Publication date: April 6, 2017
    Inventors: David Briers, Johann Klein, Esteban Mejia, Udo Kragl, Ralf Dunekake, Marleen Winterberg, Jens Baumgard
  • Publication number: 20170081479
    Abstract: The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R1)k(Y)3-k as defined herein; b) at least one titanium compound of formula Ti(L)n(NX2)m or Ti(R3)(L)3, where each X is independently a hydrogen atom, a hydrocarbon radical containing 1 to 20 C atoms, which may optionally contain one or more heteroatoms, in particular nitrogen atoms, or a silicon-containing organic group, or two X together with the nitrogen atom to which they are bound form a heterocyclic ring; each L is independently a hydrolyzable oxygen- or nitrogen-containing organic group, in particular an alkoxy group; R3 is a hydrocarbon radical containing 1 to 20 C atoms, which may optionally contain one or more heteroatoms, in particular silicon atoms; and m is 1, 2, 3, or 4 and and n is 0, 1, 2, or 3, where m+n=4; and c) optionally at least one compound which has a hydrolyzable silicon-containing group and a molecular weight in the range of 100 to 1000 g/mol,
    Type: Application
    Filed: December 7, 2016
    Publication date: March 23, 2017
    Inventors: Klaus Helpenstein, Johann Klein, Andrea Gutacker, Esteban Mejia, Steve Hillbrandt, Udo Kragl
  • Patent number: 9458286
    Abstract: The invention relates to a catalyst for catalysing the polymerisation of epoxides, and which is to be improved such that it allows a more efficient reaction to be carried out. This is achieved by providing a catalyst obtainable by mixing a) at least one double metal cyanide compound, b) at least one organic complexing agent, and c) at least one primary alcohol with 6 to 24 C atoms. In addition, the invention relates to a method for the polymerisation of epoxides, and to the use of the claimed catalyst for the polymerisation of epoxides and the copolymerisation of epoxides with carbon dioxide.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: October 4, 2016
    Assignee: Henkel AG & Co. KGaA
    Inventors: Lars Zander, Christiane Kunze, Johann Klein, Eckhard Paetzold, Marion Marquardt, Udo Kragl