US Patent Issued to NOURYON CHEMICALS INTERNATIONAL, CONSTRUCTION RESEARCH TECHNOLOGY on Feb. 18 for "Device for preparation of expanded microspheres" (Swedish Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,938, issued on Feb. 18, was assigned to NOURYON CHEMICALS INTERNATIONAL B.V. (Arnhem, Netherlands) and CONSTRUCTION RESEARCH TECHNOLOGY GMBH (Trostberg, Germany).

"Device for preparation of expanded microspheres" was invented by Jan Nordin (Kvissleby, Sweden) and Per Ajden (Bergeforsen, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a heating zone having an inlet, and an outlet, a pump upstream of and in fluid communication with the heating zone, and capable of generating above-atmospheric pressure in the heating zone; an element for heating the heating zone; an expansion zone with an inlet and an outlet, said inlet of the e...