Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yeonsuk Roh0
Rajesh Kumar0
Christopher M. Tanguay0
Date of Patent
April 17, 2018
Patent Application Number
14775905
Date Filed
March 13, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight, based on the total weight of the proppant. The polymeric coating is formed from a curable composition comprising an isocyanate, an acrylate, and a polyol. A method of forming the proppant includes the steps of combining the isocyanate, the acrylate, and the polyol to form the curable composition, coating the particle with the curable composition, and curing the curable composition to form the polymeric coating.
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