ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,370, issued on Sept. 29, was assigned to HEMPEL A/S (Kongens Lyngby, Denmark).
"Water based coating composition for wind blades" was invented by Pablo Luis Bernad (Kgs. Lyngby, Denmark), Christina Jung (Kgs. Lyngby, Denmark) and Craig E. Wood (Kgs. Lyngby, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a wind blade comprising an outer surface, and at least one coating layer applied to a part of the outer surface, the at least one coating layer including a first coating layer comprising: a) a primary composition comprising one or more aqueous dispersion of an aliphatic polyurethane; wherein said aqueous dispersion has a p...