US Patent Issued to 3M Innovative Properties on Sept. 15 for "Slot die coating using concave die lip over deformable back-up roll" (Minnesota Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,544, issued on Sept. 15, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Slot die coating using concave die lip over deformable back-up roll" was invented by Tyler J. Rattray (Woodbury, Minn.), Stephen J. Shaw (St. Paul, Minn.), Shawn C. Dodds (St. Paul, Minn.), Kara A. Meyers (Oakdale, Minn.), Scott L. Ciliske (St. Paul, Minn.), Samad Javid (Woodbury, Minn.), James N. Dobbs (Woodbury, Minn.), Mikhail L. Pekurovsky (Bloomington, Minn.) and Robert B. Secor (Stillwater, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses for applying coatings on a moving web are provided. A slot die including a concave die li...