US Patent Issued to ALPHA POWDERS SP. ZO.O on Nov. 3 for "Method for increasing the sphericity of grains of thermoplastic polymer powders" (Polish Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,736, issued on Nov. 3, was assigned to ALPHA POWDERS SP. ZO.O (Warsaw, Poland).

"Method for increasing the sphericity of grains of thermoplastic polymer powders" was invented by Aleksander Guzik (Cracow, Poland) and Dominik Antoni Zdybal (Cracow, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of increasing the sphericity and roundness of thermoplastic polymer powders, characterized in that the powder grains are first introduced, in a stream of gas, into a device ensuring the breakup of powder agglomerates, then, optionally, the powder is transported to a device ensuring the conditions close to a free fall, then the powder is transport...