ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,154, issued on May 13, was assigned to ORBIX PRODUCTIONS (Genk, Belgium).

"Method for producing a carbonate bonded, compacted article" was invented by Dirk Van Mechelen (Tisselt, Belgium), Peter Van Mierloo (Beerse, Belgium) and Nick Mayelle (Nerem-Tongeren, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method for producing a carbonate bonded, compacted article, which method comprises the steps of providing a particulate, carbonatable material; compacting the particulate material to form a compact; and carbonating said compact. The carbonation of the compact is started and subsequently continued for at least 1 hour with a low partial ca...