US Patent Issued to Evonik Operations on April 21 for "Process for the surface treatment of polymeric three-dimensional objects" (German Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,909, issued on April 21, was assigned to Evonik Operations GmbH (Essen, Germany).

"Process for the surface treatment of polymeric three-dimensional objects" was invented by Maik Grebe (Bochum, Germany), Wolfgang Diekmann (Waltrop, Germany) and Andreas Domingues Baptista (Duesseldorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process can be used for the surface treatment of three-dimensional objects which have been produced in additive manufacturing processes from at least one polymer. The process involves a) immersing the three-dimensional object in a substance mixture A, b) leaving the three-dimensional object in the substance mixtu...