ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,991, issued on April 15, was assigned to Spinchem AB (Umea, Sweden).

"Reactor arrangement comprising a means for rotating and/or oscillating a transformation device and a method of using such reactor arrangement" was invented by Emil Bystrom (Tavelsjo, Sweden), Erik Lofgren (Umea, Sweden) and Alexander Berggren (Umea, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reactor arrangement for performing, by means of at least one solid reaction member(s), a biological or chemical transformation, or physical or chemical trapping from, or release of agents to, a fluidic media in a continuous process. The arrangement comprises at least one reactor wi...