ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,601, issued on Sept. 9, was assigned to UNIVERSITY OF FLORIDA RESEARCH FOUNDATION Inc. (Gainesville, Fla.).

"Methods and apparatuses for solvent-assisted polymer direct printing in air" was invented by Yong Huang (Gainesville, Fla.), Marc Sole Gras (Gainesville, Fla.) and Bing Ren (Gainesville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer three-dimensional (3D) printing methodology is disclosed for freeform fabrication of polymeric structures under ambient conditions without the use of printed support structures, without use of a support bath, and the like. The build material can be dissolved in a suitable solvent for 3D printing. ...