ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,608, issued on Sept. 9, was assigned to DDP SPECIALTY ELECTRONIC MATERIALS US LLC (Wilmington, Del.) and DUPONT SAFETY & CONSTRUCTION INC. (Wilmington, Del.).

"Foam envelope for sealing large volumes" was invented by Eric Huebsch (Medingen, Luxembourg), Lars Massueger (Zurich) and Cedric Thomi (Sezenove, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An article 10 comprises a tube and at least one thermoplastic pouch inserted within the tube wherein the tube comprises an upper section, a lower section, an inner section and an outer section, the tube comprises a semi-permeable single layer of a nonwoven sheet of flashspun polyethylene or...