INTERNATIONAL PATENT: BRIDGESTONE CORPORATION, BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC FILES APPLICATION FOR "IRON AND ALKYLALUMINUM CATALYST COMPOSITIONS AND PROCESS FOR PRODUCING SYNDIOTACTIC POLYBUTADIENE"

GENEVA, Nov. 25 -- BRIDGESTONE CORPORATION (1-1, Kyobashi 3-ChomeChuo-ku, Tokyo 104-8340), BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC (200 4th Avenue SouthNashville, Tennessee 37201) filed a patent application (PCT/US2025/029774) for "IRON AND ALKYLALUMINUM CATALYST COMPOSITIONS AND PROCESS FOR PRODUCING SYNDIOTACTIC POLYBUTADIENE" on May 16, 2025. With publication no. WO/2025/240867, the details related to the patent application was published on Nov 20, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): BALDWIN, Steven M. (c/o 1-1, Kyobashi 3-ChomeChuo-ku, Tokyo 104-8340), COOK, Rita E. (c/o 1-...