Patents by Inventor Volker Seidi

Volker Seidi 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 Water-Absorbent Polymer Particles with a Higher Permeability by Polymerising Droplets of a Monomer Solution
    Publication number: 20090239071
    Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 ?m.
    Type: Application
    Filed: July 11, 2007
    Publication date: September 24, 2009
    Inventors: Uwe Stueven, Matthias Weismantel, Heide Wilfried, Marco Kruger, Volker Seidi, Stefan Blei, Dennis Lösch, Rüdiger Funk, Annemarie Hillebrecht