Patents by Inventor Axel Schimpf

Axel Schimpf 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).

  • Method for producing polyether polyols
    Patent number: 8034980
    Abstract: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: October 11, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Achim Loeffler, Wolfgang Loth, Ralf Boehling, Thomas Ostrowski, Michael Stoesser, Hartwig Voss, Axel Schimpf
  • METHOD FOR PRODUCING POLYETHER POLYOLS
    Publication number: 20090203874
    Abstract: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.
    Type: Application
    Filed: May 22, 2007
    Publication date: August 13, 2009
    Applicant: BASF SE
    Inventors: Achim Löffler, Wolfgang Loth, Ralf Böhling, Thomas Ostrowski, Michael Stösser, Hartwig Voss, Axel Schimpf