Patents by Inventor Sandra Engelhardt

Sandra Engelhardt 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).

  • Use of water-absorbing polymer particles for dewatering feces
    Patent number: 9279048
    Abstract: The use of water-absorbing polymer particles for dewatering feces, the water-absorbing polymer particles being obtainable by polymerizing a foamed monomer solution or suspension, drying the polymeric foam and grinding the dried foam.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: March 8, 2016
    Assignee: BASF SE
    Inventors: Francisco Javier Lopez Villanueva, Markus Linsenbühler, Matthias Weismantel, Bernd Siegel, Klaus Dieter Hörner, Sandra Engelhardt
  • Use of Water-Absorbing Polymer Particles for Dewatering Feces
    Publication number: 20120296300
    Abstract: The use of water-absorbing polymer particles for dewatering feces, the water-absorbing polymer particles being obtainable by polymerizing a foamed monomer solution or suspension, drying the polymeric foam and grinding the dried foam.
    Type: Application
    Filed: May 15, 2012
    Publication date: November 22, 2012
    Applicant: BASF SE
    Inventors: Francisco Javier Lopez Villanueva, Markus Linsenbühler, Matthias Weismantel, Bernd Siegel, Klaus Dieter Hörner, Sandra Engelhardt