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:
Jun. 11, 2019
Filed:
Dec. 07, 2017
Applicant:
Self-suspending Proppant Llc, Chesterland, OH (US);
Inventors:
Robert P. Mahoney, Newbury, MA (US);
David S. Soane, Chestnut Hill, MA (US);
Marie K. Herring, Watertown, MA (US);
Kevin P. Kincaid, Salt Lake City, UT (US);
Assignee:
Self-Suspending Proppant LLC, Independence, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C09K 8/80 (2006.01); E21B 43/267 (2006.01); C09K 8/68 (2006.01);
U.S. Cl.
CPC ...
C09K 8/805 (2013.01); C09K 8/685 (2013.01); C09K 8/80 (2013.01); E21B 43/267 (2013.01); Y10T 428/2991 (2015.01); Y10T 428/2998 (2015.01);
Abstract
The present invention provides modified proppants, and methods for their manufacture. In embodiments, the modified proppant comprises a proppant particle and a hydrogel coating, wherein the hydrogel coating is applied to a surface of the proppant particle and localizes on the surface to produce the modified proppant. In embodiments, formulations are disclosed comprising the modified particles, and methods are disclosed for using the formulations.