ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,322, issued on March 18, was assigned to Syntegon Technology GmbH (Waiblingen, Germany).
"Valve for a packaging container" was invented by Hans-Peter Stadel (Lorch, Germany), Jenny Haase (Allmersbach, Germany) and Holger Poell (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve for a packaging container includes at least one base film (10) with an opening (11), at least one frame film (13) encompassing a free region (17), wherein the frame film (13) is connected to the base film (10), wherein at least one membrane (12) is provided, which is arranged on the base film (10) and covers the opening (11), wherein a fluid is provide...