US Patent Issued to DDP SPECIALTY ELECTRONIC MATERIALS US, DUPONT SAFETY & CONSTRUCTION on Oct. 21 for "Foam envelope for sealing large volumes" (Swiss, Luxembourger Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,771, issued on Oct. 21, 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 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 an inner layer and an outer layer, the inner layer being a permeable nonwoven fabr...