ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,351, issued on Aug. 5, was assigned to Gates Corp. (Denver).
"Polyurethane belt with improved hydrolysis resistance" was invented by William W. L. Wu (Elizabethtown, Ky.), Joseph R. Duke (Elizabethtown, Ky.) and Gregory Butorin (Louisville, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A belt for power transmission or transport comprising a polyurethane belt body, wherein the polyurethane of the belt body is the reaction product of a urethane prepolymer and a diamine chain extender, and the urethane prepolymer is based on a polyether and a linear aliphatic diisocyanate. The belt has excellent hydrolysis resistance."
The patent was filed on Apri...