ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,727, issued on July 8.
"Sealant composition and zero discharge impregnation process" was invented by Brandon Cerecke (Bridgeman, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition for an impregnation sealant for sealing metal castings and the like is provided, wherein the composition comprises a first monofunctional (meth)acrylate ester; a second monofunctional (meth)acrylate ester; a trifunctional monomer; and from about 5 wt % to about 20 wt % of an epoxidized soy bean oil oligomer. Also described is a zero discharge process of rinsing sealant from an impregnated article, separating sealant from the rinse water, and recycling the se...