ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,367, issued on Jan. 28, was assigned to NIPPON PAPER INDUSTRIES Co. LTD. (Tokyo).

"Activated carbon fiber sheet for motor vehicle canister" was invented by Daisuke Imai (Tokyo), Yoshihide Watanabe (Tokyo), Yuu Takata (Tokyo), Shunsuke Ozawa (Tokyo) and Chie Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A problem to be solved by the present invention is to provide a new form of adsorbent suitable for a motor vehicle canister. An activated carbon fiber sheet satisfies one or two or more of conditions for indices, such as a specific surface area, a pore volume of pores having a given pore diameter, and a sheet density. An embodiment, fo...