ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,613, issued on March 17, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).
"Multilayer film structure" was invented by Marzieh Ebrahimi (Calgary, Canada), Soheil Sadeghi (Calgary, Canada), Patrick Lam (Calgary, Canada), Vinod Konaganti (Calgary, Canada) and Norman Aubee (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An all polyethylene multilayer film structure having alternating layers of (A) a linear low density polyethylene and (B) a high density polyethylene has improved performance properties relative to a film structure in which the (A) and (B) layers are arranged in a block like or random manner."...