US Patent Issued to LENZING on Sept. 8 for "Use of lyocell fibers" (Austrian, British Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,467, issued on Sept. 8, was assigned to LENZING AG (Lenzing, Austria).

"Use of lyocell fibers" was invented by Michael Bergfeld (Tiefgraben, Austria), Peter Andrew Slater (Nuneaton, Great Britain) and Oliver Woodrow (Lenzing, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the use of a lyocell fiber (1) for the manufacture of a nonwoven fiber fleece (10, 100). To manufacture a thin nonwoven fiber fleece with sufficient mechanical properties, the use of a lyocell fiber is proposed, where the fiber (1) has a cross-sectional aspect ratio of at least 1.8.The invention further relates to a nonwoven fiber fleece (10, 100). ...