Patents by Inventor Kurt Randall Heidemann

Kurt Randall Heidemann 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).

  • Controlled release granule with water resistant coating
    Patent number: 10017685
    Abstract: A controlled release composition containing a water-active material in the form of granules having a protective barrier coating capable of releasing the water-active material under predetermined release conditions, wherein the protective barrier coating comprises a polymer blend of two latex polymers, a method of preparing such a composition, a sprayable solution useful in the preparation of the composition, and the use of the composition for breaking a fracturing fluid.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: July 10, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Paul Michael Ferm, Andrew Alexander Robertson, Kurt Randall Heidemann, Jian Zhou, Daniel Bode, Jude Thomas Rademacher, Patricia B. Siuta-Cruce
  • Controlled Release Granule With Water Resistant Coating
    Publication number: 20170158950
    Abstract: A controlled release composition containing a water-active material in the form of granules having a protective barrier coating capable of releasing the water-active material under predetermined release conditions, wherein the protective barrier coating comprises a polymer blend of two latex polymers, a method of preparing such a composition, a sprayable solution useful in the preparation of the composition, and the use of the composition for breaking a fracturing fluid.
    Type: Application
    Filed: July 17, 2015
    Publication date: June 8, 2017
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Paul Michael Ferm, Andrew Alexander Robertson, Kurt Randall Heidemann, Jian Zhou, Daniel Bode, Jude Thomas Rademacher, Patricia B. Siuta-Cruce