Patents by Inventor Elke Guetlich-hauk

Elke Guetlich-hauk 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).

  • Process for preparing polyester alcohols
    Patent number: 9133093
    Abstract: The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: September 15, 2015
    Assignee: BASF SE
    Inventors: Lionel Gehringer, Veronika Wloka, Ulrich Mueller, Marine Boudou, Ulrike Mahn, Elke Guetlich-Hauk
  • Method and device for the continuous production of polymers by radical polymerization
    Patent number: 9108172
    Abstract: The present invention relates to a method for the continuous production of a polymer by radical polymerization, wherein at least three materials are mixed with microstructures in one or more mixers and are then polymerized in at least one reaction zone.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: August 18, 2015
    Assignee: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Bolette Urtel, Elke Gütlich-Hauk, Christian Hubert Weidl, Andreas Daiβ
  • Process for preparing aqueous polyacrylic acid solutions
    Patent number: 9056926
    Abstract: A process for preparing aqueous solutions of homo- or copolymers of acrylic acid by means of free-radical polymerization of acrylic acid and optionally water-soluble, monoethylenically unsaturated comonomers in an aqueous medium in the presence of at least one water-soluble initiator and of at least one water-soluble regulator, wherein the polymerization is conducted by means of a continuous process, and wherein, after the polymerization, low molecular weight components are at least partly removed from the resulting aqueous polymer solution. For the polymerization, preference is given to using microstructured mixers and reactors. Preference is given to using at least one reactor and/or mixer with microstructures for the process.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: June 16, 2015
    Assignee: BASF SE
    Inventors: Matthias Kleiner, Wolfgang Loth, Markus Brym, Elke Gütlich-Hauk, Bolette Urtel, Ruth Wirschem, Jürgen Detering
  • Process and apparatus for continuously polymerizing cationically polymerizable monomers
    Patent number: 8969493
    Abstract: The present invention relates to a process and to an apparatus for continuous living polymerization of cationically polymerizable monomers, in which at least three feedstocks are mixed in one or more mixers with microstructures and then polymerized in at least one reaction zone.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: March 3, 2015
    Assignee: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Phillip Hanefeld, Elke Guetlich-Hauk, Thomas Wettling, Andreas Daiss
  • PROCESS FOR PREPARING POLYESTER ALCOHOLS
    Publication number: 20150011792
    Abstract: The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 8, 2015
    Applicant: BASF SE
    Inventors: Lionel GEHRINGER, Veronika WLOKA, Ulrich MUELLER, Marine BOUDOU, Ulrike MAHN, Elke GUETLICH-HAUK
  • Method and Device for the Continuous Production of Polymers by Radical Polymerization
    Publication number: 20140088280
    Abstract: The present invention relates to a method for the continuous production of a polymer by radical polymerization, wherein at least three materials are mixed with microstructures in one or more mixers and are then polymerized in at least one reaction zone.
    Type: Application
    Filed: September 3, 2013
    Publication date: March 27, 2014
    Applicant: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Bolette Urtel, Elke Gütlich-Hauk, Christian Hubert Weidl, Andreas Daiß
  • Method and device for the continuous production of polymers by radical polymerization
    Patent number: 8546468
    Abstract: The present invention relates to a method for the continuous production of a polymer by radical polymerization, wherein at least three materials are mixed with microstructures in one or more mixers and are then polymerized in at least one reaction zone.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: October 1, 2013
    Assignee: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Bolette Urtel, Elke Guetlich-Hauk, Christian Hubert Weidl, Andreas Daisse
  • PROCESS FOR PREPARING AQUEOUS POLYACRYLIC ACID SOLUTIONS
    Publication number: 20120214941
    Abstract: A process for preparing aqueous solutions of homo- or copolymers of acrylic acid by means of free-radical polymerization of acrylic acid and optionally water-soluble, monoethylenically unsaturated comonomers in an aqueous medium in the presence of at least one water-soluble initiator and of at least one water-soluble regulator, wherein the polymerization is conducted by means of a continuous process, and wherein, after the polymerization, low molecular weight components are at least partly removed from the resulting aqueous polymer solution. For the polymerization, preference is given to using microstructured mixers and reactors. Preference is given to using at least one reactor and/or mixer with microstructures for the process.
    Type: Application
    Filed: November 2, 2010
    Publication date: August 23, 2012
    Applicant: BASF SE
    Inventors: Matthias Kleiner, Wolfgang Loth, Markus Brym, Elke Gütlich-Hauk, Bolette Urtel, Ruth Wirschem, Jürgen Detering
  • PROCESS FOR PREPARING POLYESTER ALCOHOLS
    Publication number: 20120149862
    Abstract: The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.
    Type: Application
    Filed: August 16, 2010
    Publication date: June 14, 2012
    Applicant: BASF SE
    Inventors: Lionel Gehringer, Veronika Wloka, Ulrich Mueller, Marine Boudou, Ulrike Mahn, Elke Guetlich-Hauk
  • PROCESS FOR PREPARING POLYESTERS, ESPECIALLY POLYESTER ALCOHOLS
    Publication number: 20110190413
    Abstract: A process for preparing polyesters by catalytically reacting at least one polyfunctional carboxylic acid or derivative of a polyfunctional carboxylic acid with at least one polyfunctional alcohol.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 4, 2011
    Applicant: BASF SE
    Inventors: Lionel Gehringer, Elke Gütlich-Hauk, Horst Binder
  • METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF POLYMERS BY RADICAL POLYMERIZATION
    Publication number: 20110054071
    Abstract: The present invention relates to a method for the continuous production of a polymer by radical polymerization, wherein at least three materials are mixed with microstructures in one or more mixers and are then polymerized in at least one reaction zone.
    Type: Application
    Filed: April 30, 2009
    Publication date: March 3, 2011
    Applicant: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Bolette Urtel, Elke Guetlich-Hauk, Christian Hubert Weidl, Andreas Daisse
  • PROCESS AND APPARATUS FOR CONTINUOUSLY POLYMERIZING CATIONICALLY POLYMERIZABLE MONOMERS
    Publication number: 20110028666
    Abstract: The present invention relates to a process and to an apparatus for continuous living polymerization of cationically polymerizable monomers, in which at least three feedstocks are mixed in one or more mixers with microstructures and then polymerized in at least one reaction zone.
    Type: Application
    Filed: April 30, 2009
    Publication date: February 3, 2011
    Applicant: BASF SE
    Inventors: Wolfgang Mattmann, Wolfgang Loth, Phillip Hanefeld, Elke Guetlich-hauk, Thomas Wettling, Andreas Daiss