ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,849, issued on May 19, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Method for producing polyphenol-containing composition" was invented by Yuka Asahi (Kamakura, Japan), Atsushi Minamino (Udon Thani, Thailand) and Satoru Itou (Udon Thani, Thailand).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a polyphenol-containing composition derived from herbaceous biomass includes: (1) bringing the herbaceous biomass into contact with an alkaline aqueous solution to obtain an extract; (2) adjusting pH of the extract obtained in step (1) to 3.2 or more and 4.5 or less and reacting the extract with an enzyme having cellobiohydrolase activi...