ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,464, issued on July 8, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Multi-surface passive cooling articles" was invented by Timothy J. Hebrink (Scandia, Minn.), Ryan J. Rogers (Shoreview, Minn.) and Milind B. Sabade (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Passive cooling article (120) includes a plurality of first elements (122) defining a high absorbance in the atmospheric window wavelength range and defining high average reflectance in the solar wavelength range and a plurality of second elements (124) defining a low absorbance in the atmospheric window wavelength range and defining high average reflectan...