US Patent Issued to Polyplastics USA on June 17 for "Injection stretch blow-molding (ISBM) enhancement for semi-crystalline polyolefin containers utilizing alicyclic polyolefins" (Kentucky Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,363, issued on June 17, was assigned to Polyplastics USA Inc. (Farmington Hills, Mich.).

"Injection stretch blow-molding (ISBM) enhancement for semi-crystalline polyolefin containers utilizing alicyclic polyolefins" was invented by Paul D. Tatarka (Union, Ky.) and Timothy M. Kneale (Florence, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection stretch blow-molded (ISBM) container prepared by way of injection molding a tubular preform followed by reheating and concurrently stretching and blow-molding the heated preform into the container. The container and preform comprise from 70 wt. % to 97.5 wt. % of a semi-crystalline polyolefin compo...