ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,276, issued on March 25, was assigned to KURARAY Co. LTD. (Kurashiki, Japan).
"Carbonaceous material, method for producing same, filter for water purification and water purifier" was invented by Shuichi Ishida (Okayama, Japan), Tetsuya Hanamoto (Okayama, Japan) and Hiroe Yoshinobu (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present invention relates to a carbonaceous material which has a benzene adsorption of 25 to 40% and a vitamin B12 adsorption of 13.0 to 50.0 mg/g, while having a pore volume of mesopores of 0.070 to 0.150 cm3/g as calculated from a nitrogen adsorption isotherm by means of a BJH method."
The...