Patents by Inventor Hanfried Treffurth

Hanfried Treffurth 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).

  • Mixtures of substances
    Patent number: 7678865
    Abstract: The present invention relates to mixtures of substances based on organopolysiloxane polyethers and at least one further substance or component, preferably a polymer obtained from aqueous suspension, particularly preferably crosslinked functionalized polystyrene polymer beads, and also to the use of such mixtures of substances based on organopolysiloxane polyether together with crosslinked functionalized polystyrene polymer beads as free-flowing ion exchangers or free-flowing adsorbers, particularly preferably free-flowing monodisperse or heterodisperse anion exchangers or cation exchangers, but also free-flowing mixtures of anion and cation exchangers.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: March 16, 2010
    Assignee: Lanxess Deutschland GmbH
    Inventors: Reinhold Klipper, Wolfgang Podszun, Hanfried Treffurth, Udo Herrmann, Hans-Karl Soest, Ulrich Litzinger
  • Mixtures of substances
    Publication number: 20070084775
    Abstract: The present invention relates to mixtures of substances based on organopolysiloxane polyethers and at least one further substance or component, preferably a polymer obtained from aqueous suspension, particularly preferably crosslinked functionalized polystyrene polymer beads, and also to the use of such mixtures of substances based on organopolysiloxane polyether together with crosslinked functionalized polystyrene polymer beads as free-flowing ion exchangers or free-flowing adsorbers, particularly preferably free-flowing monodisperse or heterodisperse anion exchangers or cation exchangers, but also free-flowing mixtures of anion and cation exchangers.
    Type: Application
    Filed: February 17, 2004
    Publication date: April 19, 2007
    Inventors: Reinhold Klipper, Wolfgang Podszun, Hanfried Treffurth, Udo Herrmann, Hans-Karl Soest, Ulrich Litzinger