Patents by Inventor Oskar Stephen

Oskar Stephen 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).

  • PROCESS FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES
    Publication number: 20140066582
    Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising thermal postcrosslinking in a contact dryer having external heated outer surfaces.
    Type: Application
    Filed: August 26, 2013
    Publication date: March 6, 2014
    Inventors: Monte Peterson, Filip Mees, John Perry Guentzel, Justin Martin, Dominicus van Esbroeck, Karl J. Possemiers, Leo Van Miert, Oskar Stephen, Rüdiger Funk, Mathhias Welsmantel