US Patent Issued to Hewlett-Packard Development on March 18 for "Three-dimensional printing" (California, Oregon Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,873, issued on March 18, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Three-dimensional printing" was invented by Mark Kowalski (Corvallis, Ore.) and Tienteh Chen (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional printing kit can include a particulate build material including from about 80 wt % to about 100 wt % metal particles, a binder fluid including water and latex particles in an amount of from about 5 wt % to about 30 wt % based on a total weight of the binder fluid, and an amine-bearing phosphonic adhesion promoter included in the binder fluid in an amount of from about 0.05 wt % to about 3...