US Patent Issued to 3D Systems on Sept. 23 for "Shelf-stable build materials for 3D printing" (Oregon, North Carolina, South Carolina Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,332, issued on Sept. 23, was assigned to 3D Systems Inc. (Rock Hill, S.C.).

"Shelf-stable build materials for 3D printing" was invented by Mehrgan Khavari (Corvallis, Ore.), Khalil Moussa (Chapel Hill, N.C.) and Scott Broce (Rock Hill, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Build materials for 3D printing applications are described herein which, in some embodiments, comprise monomeric species operable for producing articles with high Tg and/or high heat deflection temperature while maintaining shelf stability. In one aspect, a polymerizable liquid comprises at least 20 weight percent isocyanurate polyacrylate; a photoinitiator componen...