US Patent Issued to Equistar Chemicals on Aug. 5 for "Polyolefin compositions with high dimensional stability for sheet applications" (Ohio Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,392, issued on Aug. 5, was assigned to Equistar Chemicals LP (Houston).

"Polyolefin compositions with high dimensional stability for sheet applications" was invented by Ryan Kramb (Monroe, Ohio), Bryan S. Schley (Cincinnati) and Fabio Ceccarani (Youngstown, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyolefin composition useful for making sheet membranes, as well as other articles of manufacture are described. The composition polyolefin combines a reactor made thermoplastic (rTPO) with at least one linear low-density polyethylene (LLDPE) to improve the mold shrinkage and thermal expansion force compared to a rTPO-only composition, without...