ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,821, issued on Oct. 14, was assigned to MITSUI CHEMICALS INC. (Tokyo).
"(Meth)acrylate and use thereof" was invented by Naoyuki Kakinuma (Ichihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is an object of the present invention to provide a monomer which can provide a cured product having both high toughness and rigidity. The present invention is a (meth)acrylate (D) which is a reaction product of a thiol compound (A) having two or more mercapto groups; an iso(thio)cyanate compound (B) having two or more iso(thio)cyanato groups; and a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups."
The patent was filed on...