US Patent Issued to SUMITOMO SEIKA CHEMICALS on April 15 for "Water absorbent resin particles, absorbent, absorbent article and liquid suction power measurement method" (Japanese Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,999, issued on April 15, was assigned to SUMITOMO SEIKA CHEMICALS Co. LTD. (Hyogo, Japan).

"Water absorbent resin particles, absorbent, absorbent article and liquid suction power measurement method" was invented by Moe Nishida (Himeji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is water-absorbent resin particles, in which a value of non-pressurization DW after 3 minutes is 14 ml/g or more, and a value of liquid suction power after 3 minutes measured by the following method is 11 ml/g or more. A liquid suction power measurement method: 0.3 g of the water-absorbent resin particles is uniformly dispersed in a cylindrical container ha...