The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2018
Filed:
Jul. 17, 2015
Akzo Nobel Chemicals International B.v., Arnhem, NL;
Paul Michael Ferm, Morristown, NJ (US);
Andrew Alexander Robertson, Aberdeen, NJ (US);
Kurt Randall Heidemann, Easton, PA (US);
Jian Zhou, Langhorne, PA (US);
Daniel Bode, Cleveland, OH (US);
Jude Thomas Rademacher, Akron, OH (US);
Patricia B. Siuta-Cruce, Scottsdale, AZ (US);
AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
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.