Patents by Inventor Annika Stobrawe

Annika Stobrawe 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 polymeric solids
    Patent number: 8765842
    Abstract: The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: July 1, 2014
    Assignee: LANXESS Deutschland GmbH
    Inventors: Dirk Achten, Peter Kueker, Jürgen Kempkes, Bianka Lorenz, Werner Obrecht, Annika Stobrawe
  • METHOD FOR PRODUCING POLYMERIC SOLIDS
    Publication number: 20120101216
    Abstract: The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing.
    Type: Application
    Filed: March 17, 2010
    Publication date: April 26, 2012
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Dirk Achten, Peter Kueker, Jürgen Kempkes, Bianka Lorenz, Werner Obrecht, Annika Stobrawe