US Patent Issued to Dart Container on Feb. 25 for "Method of forming a paper container and related materials" (Missouri, Michigan Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,059, issued on Feb. 25, was assigned to Dart Container Corp. (Mason, Mich.).

"Method of forming a paper container and related materials" was invented by Mingyang Zhao (Kansas City, Mo.), Daniel Peter Martin (Midland, Mich.) and Samuel Eric DeFreese (Lansing, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Materials for coating paper sleeve blanks are provided, wherein the paper sleeve blank includes a multilayer coating. The multilayer coating includes a barrier layer and a top coat. At least two polymeric layers, including a top coat, are added to one side of the paper sleeve blank and the bottom blank. A container forming machine wraps and se...