ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,723, issued on June 10, was assigned to Agfa NV (Mortsel, Belgium).
"Acylphosphineoxide initiators" was invented by Johan Loccufier (Mortsel, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acyl phosphine oxide initiator wherein the acyl group is selected from the group consisting of a benzoyl group substituted by an urea group or an oxalylamide group; a 2,6-dimethyl benzoyl group substituted in position 3 by an urea group or an oxalylamide group; a 2,6-dimethoxy benzoyl group substituted in position 3 by an urea group or an oxalylamide group; a 2,4,6-trimethyl benzoyl group substituted in position 3 by an urea group or an oxalylamide grou...