US Patent Issued to Bridgestone on May 12 for "Methods for producing polyisoprene latex dispersions" (Arizona, Ohio Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,131, issued on May 12, was assigned to Bridgestone Corp. (Chuo-ku, Japan).

"Methods for producing polyisoprene latex dispersions" was invented by Robert W. White (Gilbert, Ariz.), Michael R. Hartzell (Gold Canyon, Ariz.), Mark N. Dedecker (North Canton, Ohio) and Jason K. Kwan (Mesa, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In various embodiments, methods for producing aqueous polyisoprene latex from natural cis-1,4-polyisoprene are described. The natural cis-1,4-polyisoprene may be sourced from guayule scrubs. In various embodiments, the method comprises extracting guayule plant material to form a miscella, fractionating the miscella to ...