Patents by Inventor Marcus Schöppler

Marcus Schöppler 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 removal of residual monomers from water-absorbing polymer particles
    Patent number: 9434802
    Abstract: A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: September 6, 2016
    Assignee: BASF SE
    Inventors: Stephan Bauer, Norbert Herfert, Lydia König, Yvonne Hagen, Xiana Romani Fernandez, Marcus Schöppler
  • Method for Removal of Residual Monomers from Water-Absorbing Polymer Particles
    Publication number: 20150322188
    Abstract: A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.
    Type: Application
    Filed: January 20, 2014
    Publication date: November 12, 2015
    Applicant: BASF SE
    Inventors: Stephan Bauer, Norbert Herfert, Lydia König, Yvonne Hagen, Xiana Romani Fernandez, Marcus Schöppler