Patents by Inventor Annika Habicht

Annika Habicht 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).

  • Coarse-cell polyurethane elastomers
    Patent number: 8642670
    Abstract: The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: February 4, 2014
    Assignee: BASF SE
    Inventors: Nils Mohmeyer, Ralf Fritz, Annika Habicht, Daniela Tepe, Frank Prissok, Michael Harms, Bernd Bruchmann, Daniel Schoenfelder, Daniel Freidank, Andreas Emge, Andrea Eisenhardt
  • COARSE-CELL POLYURETHANE ELASTOMERS
    Publication number: 20110021652
    Abstract: The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.
    Type: Application
    Filed: March 13, 2009
    Publication date: January 27, 2011
    Applicant: BASF SE
    Inventors: Nils Mohmeyer, Ralf Fritz, Annika Habicht, Daniela Tepe, Frank Prissok, Michael Harms, Bernd Bruchmann, Daniel Schoenfelder, Daniel Freidank, Andreas Emge, Andrea Eisenhardt