ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,440, issued on May 27, was assigned to INFINITE FLEX GMBH (Oberursel, Germany) and INFINITE FLEX (TAICANG) Co. LTD. (Jiangsu, China).
"Powder for laser sintering, and use" was invented by Kangkai Ma (Friedrichsdorf, Germany) and Ulrich Andreas Hirth (Bayreuth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surface-modified powder for laser sintering that allows improved incoupling of the radiation energy of the laser. The surface-modified powder avoids problems arising in the laser sintering of materials having a low absorptance for the laser radiation. The surface-modified powder has particles having particle cores and having laser absorb...