Patents by Inventor Scott Plewka

Scott Plewka 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).

  • Compositions and methods for removing ammonia from gas
    Patent number: 10981145
    Abstract: Disclosed herein are methods of controlling the amount of carboxyl groups attached to a hydrochar, the methods including subjecting a composition that includes a stover composition to hydrothermal carbonization to form a hydrochar, wherein the amount of carboxyl groups attached to the hydrochar can be controlled by the amount of lipids in the composition. Methods of removing ammonia from a gas using disclosed hydrochars and the hydrochars themselves are also disclosed.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: April 20, 2021
    Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Kenneth J. Valentas, Gabriel Gerner, Scott Plewka, Zachary Pursell
  • COMPOSITIONS AND METHODS FOR REMOVING AMMONIA FROM GAS
    Publication number: 20190321803
    Abstract: Disclosed herein are methods of controlling the amount of carboxyl groups attached to a hydrochar, the methods including subjecting a composition that includes a stover composition to hydrothermal carbonization to form a hydrochar, wherein the amount of carboxyl groups attached to the hydrochar can be controlled by the amount of lipids in the composition. Methods of removing ammonia from a gas using disclosed hydrochars and the hydrochars themselves are also disclosed.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Inventors: Kenneth J. Valentas, Gabriel Gerner, Scott Plewka, Zachary Pursell
  • METHOD FOR REMOVING PHOSPHORUS COMPOUNDS FROM AN AQUEOUS MEDIUM
    Publication number: 20190177192
    Abstract: The present disclosure provides a method for removing a phosphorus compound from an aqueous medium. In one embodiment, the method includes: providing a rare-earth metal-modified carrier; and contacting the rare-earth metal-modified carrier with an aqueous medium including the phosphorus compound under conditions effective to remove at least a portion of the phosphorus compound from the aqueous medium.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 13, 2019
    Inventors: Kenneth J. Valentas, Scott Plewka, Zachary Pursell, Gabriel Gerner, Kathleen Hall