US Patent Issued to BL TECHNOLOGIES on April 14 for "Synergistic combination for inhibiting polymerization" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,804, issued on April 14, was assigned to BL TECHNOLOGIES INC. (Minnetonka, Minn.).

"Synergistic combination for inhibiting polymerization" was invented by Xiaoan Xie (Shanghai), Yongtao Shi (Shanghai), Guixi Zhang (Shanghai) and Mei Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A synergistic polymerization inhibitor composition, the composition having a copper salt, and a manganese salt; a copper salt or a manganese salt, and a cationic polymer; or a phenothiazine and a manganese salt. A method for inhibiting polymerization of unsaturated polymerizable monomers, the method providing adding a synergistic polymerization inhibitor com...