US Patent Issued to MuCell Extrusion on March 24 for "Method of making flat foam sheet comprising recycled pet and the product resulting therefrom" (Massachusetts Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,203, issued on March 24, was assigned to MuCell Extrusion LLC (Woburn, Mass.).

"Method of making flat foam sheet comprising recycled pet and the product resulting therefrom" was invented by Mehdi Saniei (Belmont, Mass.), Mark E. Lindenfelzer (Milton, Mass.) and James K. Sakorafos (Shrewsbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making multilayer foam sheet from recycled polyester sources, which may be used for packaging applications. The method comprises a co-extrusion system comprising at least two single screw extruders. A low I.V. polyester feedstock comprising up to 100% of the polyester flakes from recycled sources...