ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,796, issued on April 22, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Spray foam electromagnetic interference absorber" was invented by Samuel R. Connor (Apex, N.C.), Eric J. Campbell (Rochester, Minn.), Stuart Brett Benefield (Durham, N.C.), Matthew Doyle (Chatfield, Minn.) and Matteo Cocchini (New York).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method, a device, and a composition are disclosed. The method includes providing a polyol blend that includes a polyol resin and an electromagnetic (EMA) additive, providing an isocyanate resin selected such that blending the isocyanate resin with the polyol blend results in a...