US Patent Issued to TOHO TITANIUM on Sept. 30 for "Method for producing catalyst for polymerization of olefin and catalyst for polymerization of olefin" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,503, issued on Sept. 30, was assigned to TOHO TITANIUM Co. LTD. (Chigasaki, Japan).

"Method for producing catalyst for polymerization of olefin and catalyst for polymerization of olefin" was invented by Hiroyuki Kono (Chigasaki, Japan), Takaharu Sakemi (Chigasaki, Japan), Toshiya Uozumi (Chigasaki, Japan) and Keisuke Goto (Chigasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed for producing a catalyst, which suppresses a decrease in polymerization activity due to early deactivation of the active site after the catalyst has been formed, exhibits excellent catalyst activity at the time of polymerization of olefins, and ...