US Patent Issued to ARKEMA FRANCE on July 29 for "Use of a copolyamide composition as a matrix of filler material with glass fibres having a circular cross section for limiting warping" (French Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,539, issued on July 29, was assigned to ARKEMA FRANCE (Puteaux, France).

"Use of a copolyamide composition as a matrix of filler material with glass fibres having a circular cross section for limiting warping" was invented by Stefania Cassiano Gaspar (Bernay, France) and Benoit Brule (Beaumont-le-Roger, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the use of a composition comprising at least one semi-crystalline copolyamide A/X1Y in which: -A is a repeat unit obtained from the polycondensation of at least one C6 to C12 lactam, or at least one repeat unit XY obtained from the polycondensation of at least one aliphati...