US Patent Issued to OMYA INTERNATIONAL on May 12 for "Nonwoven fabrics comprising polylactic acid and surface-treated calcium carbonate" (French, Swiss Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,482, issued on May 12, was assigned to OMYA INTERNATIONAL AG (Oftringen, Switzerland).

"Nonwoven fabrics comprising polylactic acid and surface-treated calcium carbonate" was invented by Martin Brunner (Wallbach, Switzerland), Christophe Roux (Lyons, France) and Simon Fremeaux (Emmerin, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the production of a nonwoven fabric. In particular, it relates to the production of a nonwoven fabric having desirable tactile and haptic as well as mechanical properties, as well as to the nonwoven fabric itself. The process requires the selection of specific polylactic acid polymers and correspondin...