US Patent Issued to SIKA TECHNOLOGY on Feb. 25 for "Method for the 3D printing of two-component polyurethane compositions" (Swiss, French Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,366, issued on Feb. 25, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Method for the 3D printing of two-component polyurethane compositions" was invented by Didier Lootens (Kusnacht, Switzerland), Maxime Liard (Zurich, Switzerland), Nicolas Bernardini (Eaubonne, France), Fleur Chaignon-Lesetre (Serifontaine, France) and Antonio Corsaro (Regensdorf, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method applying a two-component polyurethane composition by means of 3D printing, including steps providing pumpable first component A including at least one polyol having OH functionality in range from 1.5-4 and average molecular wei...