US Patent Issued to Intrnls on Feb. 3 for "Photo-curable polyimide-like materials, and method of making" (Illinois, Wisconsin Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,240, issued on Feb. 3, was assigned to Intrnls Inc. (Wales, Wis.).

"Photo-curable polyimide-like materials, and method of making" was invented by David A. Walker (Evanston, Ill.) and Matthew N. Pearlson (Wales, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a polyimide (PI)-based material. In one embodiment, the method begins by dispersing a polyamic acid (PAA) oligomer and photo-initiator into a photo-reactive monomer to form a liquid resin. In contrast to the above-described prior art, the liquid resin is substantially devoid of any non-reactive solvents. Electromagnetic radiation is then applied (e.g., in a 3D printing oper...