US Patent Issued to UBE ELASTOMER on Oct. 21 for "Polybutadiene composition, production method therefor, rubber composition, tire, and rubber belt" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,500, issued on Oct. 21, was assigned to UBE ELASTOMER Co. LTD. (Tokyo).

"Polybutadiene composition, production method therefor, rubber composition, tire, and rubber belt" was invented by Yuuki Takahashi (Ichihara, Japan) and Yuuji Hirai (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polybutadiene composition that is excellent in hardness of a rubber composition, in processability and extrusion dimensional stability, and in physical properties. The polybutadiene composition includes polybutadiene rubber and syndiotactic-1,2-polybutadiene, and the polybutadiene composition has an interfacial component between the polybutadiene rubbe...