Patents by Inventor Gregg L. Poppe

Gregg L. Poppe 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).

  • Electrodeionization device including ion exchange spacer and method of assembly
    Patent number: 8834663
    Abstract: A method for assembling an electrodeionization device comprising providing in a sequential arrangement: an anode, membrane cell assembly, cathode; wherein the membrane cell assembly comprises at least one sequential arrangement of: a cation exchange membrane, concentrating chamber, anion exchange membrane, diluting chamber, cation exchange membrane, concentrating chamber and anion exchange membrane. The method includes locating an ion exchange spacer in at least one chamber of the membrane cell assembly wherein an ion exchange spacer comprises an ion exchange resin and a dissolvable binder.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: September 16, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Steven D. Jons, Joseph Dooley, David J. Moll, Gregg L. Poppe, Mark A. Spalding
  • ELECTRODEIONIZATION DEVICE INCLUDING ION EXCHANGE SPACER AND METHOD OF ASSEMBLY
    Publication number: 20140083601
    Abstract: A method for assembling an electrodeionization device comprising providing in a sequential arrangement: an anode, membrane cell assembly, cathode; wherein the membrane cell assembly comprises at least one sequential arrangement of: a cation exchange membrane, concentrating chamber, anion exchange membrane, diluting chamber, cation exchange membrane, concentrating chamber and anion exchange membrane. The method includes locating an ion exchange spacer in at least one chamber of the membrane cell assembly wherein an ion exchange spacer comprises an ion exchange resin and a dissolvable binder.
    Type: Application
    Filed: May 22, 2012
    Publication date: March 27, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Steven D. Jons, Joseph Dooley, David J. Moll, Gregg L. Poppe, Mark A. Spalding
  • Process for recovering salable cellulose ethers from an aqueous medium containing such cellulose ethers
    Patent number: 5504201
    Abstract: A process for recovering salable cellulose ether solids in an aqueous slurry from a reactor wherein such cellulose ether solids are produced, or in an aqueous slurry from a centrifuge or filter wherein a portion of the cellulose ether solids from the reactor have been removed, comprising flowing the slurry into a hydraulic cyclone at a temperature above the gel point of the cellulose ether solids in such slurry and under conditions which are tailored to the particular cellulose ether solids in the slurry and to the process by which these have been made.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: April 2, 1996
    Assignee: The Dow Chemical Company
    Inventors: Kenneth C. Reibert, Gregg L. Poppe, John G. Green