US Patent Issued to Hexcel on Dec. 16 for "Method of printing with polymer powder and siloxane additive" (Connecticut Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,523, issued on Dec. 16, was assigned to Hexcel Corp. (San Ramon, Calif.).

"Method of printing with polymer powder and siloxane additive" was invented by Whitney Kline (Ellington, Conn.), Alden Winn (Glastonbury, Conn.) and Lawrence Varholak (Southbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder composition suitable for use in selective laser sintering for printing an object. The powder composition includes a first fraction having a polyetherketoneketone (PEKK) powder having a plurality of particles. The powder composition includes a second fraction having a plurality of siloxane particles that is dry blended with the PEKK powder p...