Patents by Inventor Christoph Fleckenstein

Christoph Fleckenstein 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: 11254648
    Abstract: A process for preparing glycerol carbonate methacrylate, wherein glycidyl methacrylate is reacted with carbon dioxide in the presence of a catalyst and a solvent, wherein the catalyst is potassium iodide, the solvent is acetonitrile, one or more monoalcohols, or any desired mixture of acetonitrile and one or more monoalcohols, and the reaction of glycidyl methacrylate with carbon dioxide is carried out at a pressure from 0.5 to 5 bar.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 22, 2022
    Assignee: BASF SE
    Inventors: Andrea Misske, Christoph Fleckenstein, Matthias Klueglein
  • Patent number: 11214752
    Abstract: The present invention is directed to the use of poly(polyisobutylenemethacrylate) as viscosity index improving component in lubricating oil compositions. The invention is further related to lubricating oil compositions comprising poly(polyisobutylenemethacrylate) with enhanced shear stability.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 4, 2022
    Assignee: BASF SE
    Inventors: Szilard Csihony, Anja Thomas, Kevin J. Desantis, Philippe Rabbat, Andrea Misske, Johannes Barth, Meik Ranft, Peter Mueller, Wolfgang Grabarse, Christoph Fleckenstein
  • Patent number: 11174333
    Abstract: The present invention describes novel macromonomers containing polyisobutene groups and homo- or copolymers thereof.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 16, 2021
    Assignee: BASF SE
    Inventors: Andrea Misske, Anja Thomas, Christoph Fleckenstein, Friederike Fleischhaker, Szilard Csihony, Matthias Gerst, Stephan Moebius, Ulrike Licht, Andreas Schwarz, Eric Neuhaus
  • Patent number: 11028040
    Abstract: A method for preparing norbornyl (meth)acrylate by reacting norbornene with (meth)acrylic acid in the presence of boron trifluoride as catalyst, wherein a) boron trifluoride is initially charged in (meth)acrylic acid or an organic solvent, b) the initial charge is heated to a temperature of 75 to 110° C., c) norbornene is added or a mixture comprising norbornene and (meth)acrylic acid is added and d) the norbornyl (meth)acrylate obtained is isolated from the reaction mixture.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: June 8, 2021
    Assignee: BASF SE
    Inventors: Andrea Misske, Christoph Fleckenstein, Friederike Fleischhaker
  • Publication number: 20210147759
    Abstract: The present invention is directed to the use of poly(polyisobutylenemethacrylate) as viscosity index improving component in lubricating oil compositions. The invention is further related to lubricating oil compositions comprising poly(polyisobutylenemethacrylate) with enhanced shear stability.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 20, 2021
    Inventors: Szilard CSIHONY, Anja THOMAS, Kevin J. DESANTIS, Philippe RABBAT, Andrea MISSKE, Johannes BARTH, Meik RANFT, Peter MUELLER, Wolfgang GRABARSE, Christoph FLECKENSTEIN
  • Patent number: 11001723
    Abstract: The invention relates to compositions, having a) 1.00 to 65.00% by weight of at least one compound of formula (I), wherein R1, R2 are each independently H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; R3, R4, R5 are each independently H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; R6 is H or C1-C6-alkyl; k is 1, 2, 3, 4 or 5, as component A; b) 1.00 to 60.00% by weight of at least one monomer having two (meth)acrylate groups and 1 having a molecular weight Mw of no more than 500 Dalton, as component B; c) 0 to 25% by weight of at least one monomer having at least three (meth)acrylate groups and having a molecular weight Mw of no more than 600 Dalton, as component C; and d) 1.00 to 30.00% by weight of at least one polymer having at least two (meth)acrylate groups and having a molecular weight Mw of at least 700 Dalton, as component D; with the proviso that the amount of components A+B is at least 50% by weight, as well as the use of these compositions as printing inks, in particular inkjet printing inks.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: May 11, 2021
    Inventors: Christoph Fleckenstein, Juergen Baro, Erich Beck, Martin Kaller, Andrea Misske, Friederike Fleischhaker
  • Publication number: 20210070729
    Abstract: A process for preparing glycerol carbonate methacrylate, wherein glycidyl methacrylate is reacted with carbon dioxide in the presence of a catalyst and a solvent, wherein the catalyst is potassium iodide, the solvent is acetonitrile, one or more monoalcohols, or any desired mixture of acetonitrile and one or more monoalcohols, and the reaction of glycidyl methacrylate with carbon dioxide is carried out at a pressure from 0.5 to 5 bar.
    Type: Application
    Filed: December 7, 2018
    Publication date: March 11, 2021
    Inventors: Andrea MISSKE, Christoph FLECKENSTEIN, Matthias KLUEGLEIN
  • Publication number: 20200407309
    Abstract: A method for preparing norbornyl (meth)acrylate by reacting norbornene with (meth)acrylic acid in the presence of boron trifluoride as catalyst, wherein e) boron trifluoride is initially charged in (meth)acrylic acid, f) the initial charge is heated to a temperature of 75 to 110° C., g) norbornene is added and h) the norbornyl (meth)acrylate obtained is isolated from the reaction mixture. A method for preparing norbornyl (meth)acrylate by reacting norbornene with (meth)acrylic acid in the presence of boron trifluoride as catalyst, wherein e) boron trifluoride is initially charged in an organic solvent, f) the initial charge is heated to a temperature of 75 to 110° C., g) a mixture comprising norbornene and (meth)acrylic acid is added and h) the norbornyl (meth)acrylate obtained is isolated from the reaction mixture.
    Type: Application
    Filed: January 22, 2018
    Publication date: December 31, 2020
    Inventors: ANDREA MISSKE, Christoph FLECKENSTEIN, Friederike FLEISCHHAKER
  • Publication number: 20200377746
    Abstract: The invention relates to compositions, comprising a) 1.00 to 65.00% by weight of at least one compound of formula (I), wherein R1, R2 are each independently H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; R3, R4, R5 are each independently H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; R6 is H or C1-C6-alkyl; k is 1, 2, 3, 4 or 5, as component A; b) 1.00 to 60.00% by weight of at least one monomer having two (meth)acrylate groups and 1 having a molecular weight Mw of no more than 500 Dalton, as component B; c) 0 to 25% by weight of at least one monomer having at least three (meth)acrylate groups and having a molecular weight Mw of no more than 600 Dalton, as component C; and d) 1.00 to 30.00% by weight of at least one polymer having at least two (meth)acrylate groups and having a molecular weight Mw of at least 700 Dalton, as component D; with the proviso that the amount of components A+B is at least 50% by weight, as well as the use of these compositions as printing inks, in particular inkjet printing inks.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 3, 2020
    Inventors: Christoph FLECKENSTEIN, Juergen BARO, Erich BECK, Martin KALLER, Andrea MISSKE, Friederike FLEISCHHAKER
  • Patent number: 10829588
    Abstract: A curable composition comprises a) at least one epoxide compound E having at least two epoxide groups; b) at least one amine A having at least two amine hydrogens; and c) at least one acrylic ester U; wherein the epoxide compound E comprises at least one epoxide compound E?, the amine A comprises at least one amine A?, and the acrylic ester U comprises at least one acrylic ester U? whose Hansen solubility parameters for the dipole forces ?p and for the specific interactions ?h satisfy the following conditions: ( ? p ? ( U ? ) - ? p ? ( E ? ) ) 2 + ( ? h ? ( U ? ) - ? h ? ( E ? ) ) 2 ? 1.5 ? ? and ( ? p ? ( U ? ) 2 + ? h ? ( U ? ) 2 ) - ( ? p ? ( A ? ) 2 + ? h ? ( A ? ) 2 ) ? 0 . A suitable choice of the Hansen solubility parameters of the constituents ensures that the acrylic ester is incorporated covalently into the curing material, preventing subsequent evaporation of the diluent.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: November 10, 2020
    Assignee: BASF SE
    Inventors: Friederike Fleischhaker, Andrea Misske, Christoph Fleckenstein, Miran Yu, Martin Kaller, Uwe Meisenburg
  • Patent number: 10759732
    Abstract: A process for preparing an ester of (meth)acrylic acid or a derivative thereof comprises reacting (meth)acrylic acid or a derivative thereof with glycerol carbonate at a reaction temperature of 10 to 150° C. without a solvent in the presence of at least one enzyme catalyzing the esterification reaction.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: September 1, 2020
    Assignee: BASF SE
    Inventors: Mathieu Blanchot, Uwe Meisenburg, Steffen Maurer, Jochen Petzoldt, Tobias Hoefener, Boris Breitscheidel, Andrea Misske, Friederike Fleischhaker, Martin Kaller, Christoph Fleckenstein, Ulrik Stengel, Ritesh Nair
  • Patent number: 10745576
    Abstract: The invention relates to compositions, comprising. a) 1.00 to 65.00% by weight of at least one compound of formula (I), wherein R1, R2, R3, R4 are each independently H, C1-C6-alkyl, C1-C6-alkoxy, or C1-C6-alkoxy-C1-C6-alkyl; R is H or C1-C6-alkyl; X is CR6R7, O, or NR8; R6R7 are each independently H, C1-C6-alkyl, C1-C6-alkoxy, or C1-C6-alkoxy-C1-C6-alkyl; R8 is H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; k is 1, 2, 3, 4 or 5, as component A; b) 1.00 to 60.00% by weight of at least one monomer having two (meth)acrylate groups and having a molecular weight of no more than 500 Dalton, as component B; c) 0 to 25% by weight of at least one monomer having at least three (meth)acrylate groups and having a molecular weight of no more than 600 Dalton, as component C; and d) 1.00 to 30.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: August 18, 2020
    Assignee: BASF SE
    Inventors: Christoph Fleckenstein, Juergen Baro, Erich Beck, Martin Kaller, Andrea Misske, Friederike Fleischhaker
  • Publication number: 20200231528
    Abstract: A process for preparing an ester of (meth)acrylic acid or a derivative thereof comprises reacting (meth)acrylic acid or a derivative thereof with glycerol carbonate at a reaction temperature of 10 to 150° C. without a solvent in the presence of at least one enzyme catalyzing the esterification reaction.
    Type: Application
    Filed: August 16, 2018
    Publication date: July 23, 2020
    Inventors: Mathieu BLANCHOT, Uwe MEISENBURG, Steffen MAURER, Jochen PETZOLDT, Tobias HOEFENER, Boris BREITSCHEIDEL, Andrea MISSKE, Friederike FLEISCHHAKER, Martin KALLER, Christoph FLECKENSTEIN, Ulrik STENGEL, Ritesh NAIR
  • Publication number: 20190375954
    Abstract: The invention relates to compositions, comprising. a) 1.00 to 65.00% by weight of at least one compound of formula (I), wherein R1, R2, R3, R4 are each independently H, C1-C6-alkyl, C1-C6-alkoxy, or C1-C6-alkoxy-C1-C6-alkyl; R is H or C1-C6-alkyl; X is CR6R7, O, or NR8; R6R7 are each independently H, C1-C6-alkyl, C1-C6-alkoxy, or C1-C6-alkoxy-C1-C6-alkyl; R8 is H, C1-C6-alkyl, or C1-C6-alkoxy-C1-C6-alkyl; k is 1, 2, 3, 4 or 5, as component A; b) 1.00 to 60.00% by weight of at least one monomer having two (meth)acrylate groups and having a molecular weight of no more than 500 Dalton, as component B; c) 0 to 25% by weight of at least one monomer having at least three (meth)acrylate groups and having a molecular weight of no more than 600 Dalton, as component C; and d) 1.00 to 30.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 12, 2019
    Inventors: Christoph FLECKENSTEIN, Juergen BARO, Erich BECK, Martin KALLER, Andrea MISSKE, Friederike FLEISCHHAKER
  • Patent number: 10370383
    Abstract: A process for preparing isosorbide di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide, comprising the steps of: (i) reacting alkyl (meth)acrylate with isosorbide in the presence of a catalyst comprising titanium(IV) or zirconium(IV) and a stabilizer in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (ii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (i) and (ii) are conducted simultaneously until the isosorbide has been essentially fully converted, (iii) adding water to the product mixture which comprises isosorbide (meth)acrylate and is obtained in steps (i) and (ii) and removing the hydrolyzate of the catalyst comprising titanium(IV) or zirconium(IV), (iv) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture, (v) distilling off water from the product mixture, wherein step (iv) can also be conducted before step (iii) and steps (iv) and
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: August 6, 2019
    Assignee: BASF SE
    Inventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ritesh Nair, Ulrik Stengel, Mathieu Blanchot
  • Publication number: 20190169346
    Abstract: The present invention describes novel macromonomers containing polyisobutene groups and homo- or copolymers thereof.
    Type: Application
    Filed: July 26, 2017
    Publication date: June 6, 2019
    Applicant: BASF SE
    Inventors: Andrea MISSKE, Anja THOMAS, Christoph FLECKENSTEIN, Friederike FLEISCHHAKER, Szilard CSIHONY, Matthias GERST, Stephan MOEBIUS, Ulrike LICHT, Andreas SCHWARZ, Eric NEUHAUS
  • Publication number: 20180201722
    Abstract: A curable composition comprises a) at least one epoxide compound E having at least two epoxide groups; b) at least one amine A having at least two amine hydrogens; and c) at least one acrylic ester U; wherein the epoxide compound E comprises at least one epoxide compound E?, the amine A comprises at least one amine A?, and the acrylic ester U comprises at least one acrylic ester U? whose Hansen solubility parameters for the dipole forces ?p and for the specific interactions ?h satisfy the following conditions: ?{square root over ((?p(U?)??p(E?))2+(?h(U?)??h(E?))2)}?1.5 and ?{square root over ((?p(U?)2??h(U?)2))}??{square root over ((?p(A?)2+?h(A?)2))}?0. A suitable choice of the Hansen solubility parameters of the constituents ensures that the acrylic ester is incorporated covalently into the curing material, preventing subsequent evaporation of the diluent.
    Type: Application
    Filed: June 22, 2016
    Publication date: July 19, 2018
    Inventors: Friederike FLEISCHHAKER, Andrea MISSKE, Christoph FLECKENSTEIN, Miran YU, Martin KALLER, Uwe MEISENBURG
  • Patent number: 9938548
    Abstract: The invention relates to a process for preparing a compound of the formula (I), in which R is H or C1-C6 alkyl, by reaction of at least one compound of the formula (II) in which R has the same definition as in the formula (I) and in which R1 is H, C1-C12 alkyl or C3-C12 cycloalkyl, with a compound of the formula (III) in which R2 is H or C(O)R3, in which R3 is H or C1-C12 alkyl, in the presence of at least one enzyme suitable for transesterification.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 10, 2018
    Assignee: BASF SE
    Inventors: Christoph Fleckenstein, Mathieu Blanchot, Benoit Blank, Martin Kaller, Ulrik Stengel, Andrea Misske, Friederike Fleischhaker, Ritesh Nair
  • Patent number: 9695136
    Abstract: A process for preparing heonone (meth)acrylate by transesterification of alkyl (meth)acrylate with heonone.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: July 4, 2017
    Assignee: BASF SE
    Inventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ulrik Stengel, Mathieu Blanchot, Ritesh Nair
  • Patent number: 9562054
    Abstract: A process for preparing isosorbide ethoxylate di(meth)acrylate by transesterifying alkyl (meth)acrylate with isosorbide ethoxylate, comprising the steps of: (i) ethoxylating isosorbide to give isosorbide ethoxylate, (ii) reacting alkyl (meth)acrylate with isosorbide ethoxylate in the presence of potassium phosphate as catalyst and a stabilizer and in the presence of an azeotroping agent which forms an azeotrope with the alcohol bound in the alkyl (meth)acrylate, (iii) continuously distilling off the azeotrope of azeotroping agent and alcohol, wherein steps (ii) and (iii) are conducted simultaneously until the isosorbide ethoxylate has been essentially fully converted, (iv) removing the catalyst from the product mixture comprising isosorbide ethoxylate di(meth)acrylate, (v) distilling unconverted alkyl (meth)acrylate and azeotroping agent out of the product mixture.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: February 7, 2017
    Assignee: BASF SE
    Inventors: Andrea Misske, Friederike Fleischhaker, Christoph Fleckenstein, Martin Kaller, Ulrik Stengel, Mathieu Blanchot, Claudia Stoer, Ritesh Nair