US Patent Issued to Tyson Foods on May 20 for "Packaging with pressure driven oxygen egress" (Arkansas, California Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,915, issued on May 20, was assigned to Tyson Foods Inc. (Springdale, Ark.).

"Packaging with pressure driven oxygen egress" was invented by Robert Ty Baublits (Springdale, Calif.) and Harry Y. Chu (Fayetteville, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Food preservation can include depositing dry ice and food within packaging. The packaging can include a flexible liner defining a wall aperture and an internal chamber. The internal chamber can receive the deposited dry ice and food and have an internal atmosphere. The packaging can include a check valve mounted to the flexible liner and covering the wall aperture. The check valve can be con...