ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,507, issued on Oct. 21, was assigned to The Azek Group LLC (Chicago).
"Composite board including core and capstock, and associated method" was invented by Nicholas Tomko (Chicago) and Evan Kemp (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite board, including a core, and a capstock positioned to at least partially cover the core, where the capstock includes 10 wt. % to 70 wt. % of polyvinyl chloride (PVC), based on a total weight of the capstock, 1 wt. % to 60 wt. % of acrylonitrile-styrene-acrylate (ASA), based on the total weight of the capstock, 1 wt. % to 60 wt. % of styrene-acrylonitrile (SAN), based on the total weight of th...