Patents by Inventor Arno Nennemann

Arno Nennemann 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: 20140356561
    Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component and a water-dilutable, ethylenically unsaturated polyurethane polyol component.
    Type: Application
    Filed: July 3, 2012
    Publication date: December 4, 2014
    Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLC
    Inventors: Abdullah Ekin, Ramesh Subramanian, Stefan Sommer, Arno Nennemann, Christine Mebane
  • Patent number: 8802775
    Abstract: The invention relates to aqueous formulations comprising silane-modified polymeric binders having a siloxane content and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the preparation of aqueous coating compositions.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: August 12, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Christoph Irle, Nusret Yuva, Alice Münzmay
  • Patent number: 8669323
    Abstract: The present invention relates to unblocked nano-particle-modified polyisocyanates having increased stability in the NCO content.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: March 11, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Sebastian Dörr, Oliver Pyrlik
  • Publication number: 20130035432
    Abstract: The present invention relates to a process for the production of phyllosilicate platelets having a high aspect ratio, to a phyllosilicate platelet obtainable by the process according to the invention, to the use of phyllosilicate platelets according to the invention in the production of a composite material, of a flameproof barrier or of a diffusion harrier, and to a composite material comprising or obtainable using phyllosilicate platelets according to the invention.
    Type: Application
    Filed: January 17, 2011
    Publication date: February 7, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Josef Breu, Michael Möller, Hussein Kalo, Arno Nennemann
  • Patent number: 8354028
    Abstract: A method for separating electrolyte-containing water from an organic phase by means of permeation on a hydrophobic separating means. The permeated organic solution is substantially depleted in water and the retained water is enriched with electrolytes.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: January 15, 2013
    Assignee: Bayer Material Science AG
    Inventors: Helmut Meyer, Guido Naberfeld, Johann Rechner, Rafael Warsitz, Michael Traving, Werner Bäcker, Thomas Elsner, Arno Nennemann, Stephan Bahnmuler, Gerhard Langstein, Julia Hitzbleck, Patrick Theato, Daniel Kessler, Daniel-Gordon Duff, Sascha Plug
  • Publication number: 20120316277
    Abstract: The invention relates to aqueous formulations comprising silane-modified polymeric binders having a siloxane content and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the preparation of aqueous coating compositions.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 13, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Thomas Münzmay, Arno Nennemann, Christoph Irle, Nusret Yuva, Alice Münzmay
  • Patent number: 8299168
    Abstract: The invention relates to aqueous formulations comprising organic binders having a siloxane content and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the preparation of aqueous coating compositions.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: October 30, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Thomas Münzmay, Alice Münzmay, legal representative, Arno Nennemann, Markus Mechtel, Nusret Yuva, Meike Niesten
  • Patent number: 8278399
    Abstract: Processes for preparing siloxane-modified polyisocyanates, the processes comprising: providing a polyisocyanate reactant; and reacting the polyisocyanate reactant with a hydroxyl-containing siloxane having a number-average molecular weight of 200 to 3000 g/mol and an average OH functionality of greater than or equal to 1.8, and corresponding to the general formula (I): wherein X represents an aliphatic, unbranched or branched C1 to C20 radical optionally containing ether groups; R represents a hydroxyl-functional radical; R1 represents a hydrogen or an optionally heteroatom-containing C1 to C20 hydrocarbon radical; and n is 1 to 40; siloxane-modified polyisocyanates prepared thereby, and uses therefor.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: October 2, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Markus Mechtel, Thomas Klimmasch, Meike Niesten
  • Publication number: 20120101210
    Abstract: The invention relates to novel aqueous two-component coating agents based on hydroxy and/or amino-functional water-dilutable resins and nanoparticle-modified isocyanate-functional curing agents, to a method for the production thereof, and to the use thereof in paints, coatings, and sealants, particularly for corrosion protection applications.
    Type: Application
    Filed: March 23, 2010
    Publication date: April 26, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Oliver Pyrlik, Hans-Josef Laas, Carmen Imöhl, Robert Maleika
  • Publication number: 20120041142
    Abstract: The present invention relates to novel hydrophilic polyisocyanates which are modified by way of nanoparticles, to a method for producing the same and to the use thereof as a starting component for producing polyurethane plastics, in particular as cross-linkers for water-soluble or water-dispersible lacquer binders or binder components, having groups which can react with isocyanate groups, and to the use thereof in coating agents and adhesives.
    Type: Application
    Filed: March 23, 2010
    Publication date: February 16, 2012
    Inventors: Arno Nennemann, Oliver Pyrlik, Hans-Josef Laas
  • Patent number: 8088880
    Abstract: The present invention relates to innovative, nanoparticle-modified polyisocyanates, a process for their preparation and to their use in coating compositions and adhesives. The process comprises the steps of 1) reacting A) polyisocyanates with B) alkoxysilanes, and subsequently 2) incorporating by dispersion inorganic particles, optionally surface modified, having an average particle size of less than 200 nm as determined by means of dynamic light scattering in dispersion, where the alkoxysilanes are according to formula (I) Q-Z—SiXaY3-a??(I) in which Q is an isocyanate-reactive group, X is a hydrolysable group, Y is identical or different alkyl groups, Z is a C1-C12 alkylene group and a is an integer from 1 to 3.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: January 3, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Michael Mager, Markus Mechtel, Thomas Klimmasch, Christoph Gurtler, Christian Wamprecht
  • Patent number: 8088830
    Abstract: Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: January 3, 2012
    Assignees: Kemira Oyj, Akzo Nobel Chemicals International B.V.
    Inventors: Karlheinrich Meisel, Bernd Thiele, Gerd-Friedrich Renner, Johan Kijlstra, Arno Nennemann, Thomas Hubbe, Lothar Puppe
  • Publication number: 20110204286
    Abstract: The present invention relates to a process for the production of non-swellable phyllosilicate tactoids, comprising A) producing a synthetic smectite of the formula I in a high-temperature-melt synthesis [Mn/Valenz]inter[MImMIIo]oct [MIII4]tet X10Y2??(I) B) if the interlayer cation M does not already have a hydration enthalpy from ?6282 to ?406 [kJ/mol], exchanging the interlayer cation M with a cation having a hydration enthalpy from ?6282 to ?406 [kJ/mol] by a cation-exchange method, C) dispersing phyllosilicate in an aqueous system, and D) exchanging M with a cation having a hydration enthalpy from ?405 to 0 [kJ/mol], by a cation-exchange method.
    Type: Application
    Filed: September 10, 2009
    Publication date: August 25, 2011
    Applicant: BAYER MATERIAL SCIENCE AG
    Inventors: Arno Nennemann, Stefan Bahnmüller, Josef Breu, Michael Möller, Hussein Kalo
  • Publication number: 20110100259
    Abstract: The present invention relates to unblocked nanoparticle-modified polyisocyanates having increased stability in the NCO content.
    Type: Application
    Filed: May 5, 2009
    Publication date: May 5, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Sebastian Dörr, Oliver Pyrlik
  • Patent number: 7868070
    Abstract: A thermoplastic molding composition that features improved thermal stability and a relatively low maximum rate of decomposition in the event of fire is disclosed. The composition contains an aromatic polycarbonate and/or polyester carbonate, and a modified layered compound, the modification with organic polymer by means of a solvent-free melt process. Optional additional components include an impact modifier, a thermoplastic (co)copolymer, and a phosphorus compound.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: January 11, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Eckhard Wenz, Uwe Peucker, Thomas Eckel, Dieter Wittmann, Arno Nennemann, Vera Buchholz
  • Patent number: 7732498
    Abstract: The present invention relates to innovative nanoparticles, to a process for preparing nanoparticles by recrystallization, and to the use thereof.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: June 8, 2010
    Assignee: Bayer MaterialScience AG
    Inventors: Christoph Gürtler, Paula Cristina Alves Rodrigues, Arno Nennemann, Lars Krueger
  • Publication number: 20100108277
    Abstract: Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
    Type: Application
    Filed: January 12, 2010
    Publication date: May 6, 2010
    Applicant: KEMIRA OYJ
    Inventors: Karlheinrich Meisel, Bernd Thiele, Gerd-Friedrich Renner, Johan Kijlstra, Arno Nennemann, Thomas Hubbe, Lothar Puppe
  • Patent number: 7708862
    Abstract: Use of silica sols containing sulfonic acid groups and/or mercapto groups as microparticles in paper production, in particular for paper retention.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: May 4, 2010
    Assignee: Kemira Oyj
    Inventors: Karlheinrich Meisel, Bernd Thiele, Gerd-Friedrich Renner, Johan Kijlstra, Arno Nennemann, Thomas Hübbe, Lothar Puppe
  • Publication number: 20090170705
    Abstract: Novel seed dressing agent formulations comprising of—at least one active agrochemical ingredient for the dressing of seeds, —a dispersion of biologically degradable polyester-polyurethane-polyureas in water whereby the solid content thereof is between 30 and 50 weight %. Said formulation also comprises additives. The invention also relates to a method for the production of a novel seed dressing agent formulation and the utilization thereof for the dressing of seeds.
    Type: Application
    Filed: January 12, 2007
    Publication date: July 2, 2009
    Applicant: Bayer Technology Services GmbH
    Inventors: Arno Nennemann, Johan Kijlstra, Daniel Rudhardt, Frank Sicking
  • Publication number: 20090163648
    Abstract: The invention relates to aqueous formulations comprising organic binders having a siloxane content and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the preparation of aqueous coating compositions.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 25, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Thomas Muenzmay, Alice Muenzmay, Arno Nennemann, Markus Mechtel, Nusret Yuva, Meike Niesten