ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,088, issued on Aug. 26, was assigned to HONSHU CHEMICAL INDUSTRY Co. LTD. (Tokyo).
"Method for producing aromatic bis ether compound" was invented by Takeru Suto (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a new method for producing an aromatic bis ether compound in an industrially stable manner and in high yield. As a solution, a method for producing an aromatic bis ether compound represented by formula (3), in which in a reaction between an aromatic dihydroxy compound (1) represented by formula (1) above and a halide (2) represented by formula (2) above, the amount of water in a reaction solution is 0.01...