Patents by Inventor Andreas Kunst

Andreas Kunst 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: 20120232180
    Abstract: The present invention relates to a process for the production of polyurethane rigid foams by reaction of polyisocyanates with compounds with at least two hydrogen atoms reactive with isocyanate groups in the presence of propellants.
    Type: Application
    Filed: March 6, 2012
    Publication date: September 13, 2012
    Applicant: BASF SE
    Inventors: Andreas Kunst, Marc Fricke, Markus Schütte, Berend Eling
  • Publication number: 20120214892
    Abstract: The present invention relates to a novel process for producing polyesteretherols via alkoxylation of polyesterols, and also to the use of the polyesteretherols for producing polyurethanes.
    Type: Application
    Filed: February 15, 2012
    Publication date: August 23, 2012
    Applicant: BASF SE
    Inventors: Andreas Kunst, Sirus Zarbakhsh, Gunnar Kampf, Marco Balbo Block
  • Publication number: 20120197042
    Abstract: The invention relates to a process for preparing hyperbranched polyhydroxybenzoic acid alkoxylates, comprising the steps of: (a) reacting at least one polyhydroxybenzoic ester with one or more alkylene oxides, optionally in the presence of a basic catalyst, (b) allowing the polyhydroxybenzoic ester alkoxylates formed in step (a) to react with transesterification to form hyperbranched polyhydroxybenzoic acid alkoxylates.
    Type: Application
    Filed: October 14, 2010
    Publication date: August 2, 2012
    Applicant: BASF SE
    Inventors: Daniel Schoenfelder, Bernd Bruchmann, Anna Cristadoro, Achim Loeffler, Matthias Schopohl, Andreas Kunst
  • Publication number: 20120116044
    Abstract: The present invention relates to hydrophobic polyetherester polyols, to a process for preparing them, and to the use of the polyetherester polyols of the invention for producing polyurethanes.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 10, 2012
    Applicant: BASF SE
    Inventors: Andreas KUNST, Berend Eling, Bernd Bruchmann, Achim Löffler
  • Publication number: 20120108779
    Abstract: The invention provides a method for producing polyols, comprising the steps of a) reacting unsaturated natural fats, unsaturated natural fatty acids and/or fatty acid esters with dinitrogen monoxide, b) reacting the product obtained in step a) with hydrogen using a heterogeneous catalyst.
    Type: Application
    Filed: July 9, 2010
    Publication date: May 3, 2012
    Applicant: BASF SE
    Inventors: Andreas Kunst, Michael Schelper, Joaquim Henrique Teles, Berend Eling, Jenny Reuber, Gerd-Dieter Tebben
  • Publication number: 20120108780
    Abstract: A method for producing a polyol, the method including: (a) reacting at least one selected from the group consisting of an unsaturated natural fat, an unsaturated natural fatty acid, and a fatty acid ester with dinitrogen monoxide, to obtain a first intermediate; (b) reacting the first intermediate with a hydrogenation reagent, to obtain a second intermediate; (c) reacting the second intermediate with at least one alkylene oxide, to obtain a polyol.
    Type: Application
    Filed: July 9, 2010
    Publication date: May 3, 2012
    Applicant: BASF SE
    Inventors: Andreas Kunst, Michael Schelper, Joaquim Henrique Teles, Berend Eling, Jenny Reuber, Gerd-Dieter Tebben
  • Publication number: 20120035278
    Abstract: The present invention relates to a process for preparing aminotriazine alkoxylates, which comprises at least one aminotriazine alkoxylate (a) being admixed with at least one aminotriazine (b) and reacted with at least one alkylene oxide (c), wherein the aminotriazine alkoxylate (a) is obtainable by reacting at least one aminotriazine (d) with at least one alkylene oxide (e) and/or at least one alkylene carbonate (g), and optionally at least one aminotriazine alkoxylate (f).
    Type: Application
    Filed: August 3, 2011
    Publication date: February 9, 2012
    Applicant: BASF SE
    Inventors: Andreas Kunst, Sebastien Garnier, Lionel Gehringer, Achim Löffler
  • Publication number: 20110269863
    Abstract: The present invention relates to a process for preparing polyether polyols, in which at least one hydroxyl-comprising fatty acid ester and/or at least one hydroxyl-modified fatty acid ester is reacted with the aid of a double metal cyanide catalyst in at least two process sections with in each case a mixture of ethylene oxide and at least one further alkylene oxide different from ethylene oxide.
    Type: Application
    Filed: April 22, 2011
    Publication date: November 3, 2011
    Applicant: BASF SE
    Inventors: Andreas KUNST, Berend Eling, Achim Löffler, Heinz-Dieter Lutter, Wei Han, Jens Müller
  • Publication number: 20100298460
    Abstract: The invention relates to a process for preparing polyether alcohols, which comprises the steps a) reaction of an unsaturated natural oil or fat with a mixture of carbon monoxide and hydrogen, b) reaction of the mixture from step a) with hydrogen, c) reaction of the product from step b) with an alkylene oxide in the presence of a catalyst.
    Type: Application
    Filed: January 26, 2009
    Publication date: November 25, 2010
    Applicant: BASF SE
    Inventors: Darijo Mijolovic, Andrea Haunert, Andreas Kunst, Stephan Bauer, Qiang Miao, Berend Eling