ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,239, issued on Aug. 18, was assigned to Amtek Research International LLC (Lebanon, Ore.).
"Dimensionally-stable microporous webs" was invented by Weston J. Wood (Lebanon, Ore.), Richard W. Pekala (Corvallis, Ore.), Robert Waterhouse (Lebanon, Ore.) and Scott D. Butler (Lebanon, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Multi-layer structures are disclosed herein containing a microporous polymer web having two major surfaces and an inorganic material including nano- and micro-particles formed as a first porous layer on one or both of the major surfaces of the microporous polymer web. The first porous layer provides high-temperature dimensio...