Patents by Inventor Udo Klapperich

Udo Klapperich 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).

  • Patent number: 9873785
    Abstract: Described is a process for producing water-absorbing polymers wherein a base polymer A is contacted and mixed with an aqueous additive solution B in a mixing device, wherein the base polymer A is formed from monomers bearing at least 30% neutralized acid groups and the aqueous additive solution B is dosed into the mixing device without nozzle via a pipe.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 23, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Manfred van Stiphoudt, Udo Klapperich, Theodor Malinowski
  • Publication number: 20160108226
    Abstract: Described is a process for producing water-absorbing polymers wherein a base polymer A is contacted and mixed with an aqueous additive solution B in a mixing device, wherein the base polymer A is formed from monomers bearing at least 30% neutralized acid groups and the aqueous additive solution B is dosed into the mixing device without nozzle via a pipe.
    Type: Application
    Filed: October 7, 2015
    Publication date: April 21, 2016
    Inventors: Manfred van Stiphoudt, Udo Klapperich, Theodor Malinowski
  • Publication number: 20160083532
    Abstract: A process is described for production of superabsorbents, comprising conveying steps for transporting the particulate material obtained, with use of a conveying machine from the group of the mechanical continuous conveyors with traction means in at least one of the conveying steps. Conveying machines used with preference are tubular drag conveyors and/or bucket conveyors.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 24, 2016
    Inventors: Dirk Wagner, Thomas Hoefges, Udo Klapperich, Manfred van Stiphoudt, Henry Rudolph, Frank Soppe, Jörg Harren, Franck Furno, Frank Loeker