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Treated Fillers, Compositions Containing Same, and Articles Prepared Therefrom

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
The present invention includes a process for producing treated filler that includes (a) treating a slurry that includes untreated filler where the untreated filler has not been previously dried, with a treating composition that includes a treating agent, thereby forming a treated filler slurry, and (b) drying the treated filler slurry to produce treated filler. The treating agent can include an unsaturated fatty acid, derivative of an unsaturated fatty acid, or salt thereof. The present invention also is directed to treated filler prepared by the process, as well as rubber compounding compositions and tires including the treated filler.
Votruba-Drzal, Peter Lawrence (Pittsburgh, PA), Martin, Justin Jonathan (Irwin, PA), Okel, Timothy Allen (Trafford, PA), Kollah, Raphael O. (Wexford, PA), Wilt, Truman (Clinton, PA), Edelman, Clint Steven (Pittsburgh, PA), Smith, Brittany (Murrysville, PA), Wolfe, Luke Andrew (Union City, PA)
14/ 508,539
October 7, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] This invention was made with government support under Contract No. DE-EE0005359 awarded by the United States Department of Energy. The government has certain rights in this invention.