US Patent Issued to UNICHARM on Feb. 18 for "Method for regenerating highly water-absorbing polymer, method for producing highly water-absorbing recycled polymer, and use of alkali metal ion source" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,752, issued on Feb. 18, was assigned to UNICHARM Corp. (Ehime, Japan).

"Method for regenerating highly water-absorbing polymer, method for producing highly water-absorbing recycled polymer, and use of alkali metal ion source" was invented by Ryusei Ito (Sapporo, Japan), Haruna Onodera (Sapporo, Japan), Naoyuki Funamizu (Sapporo, Japan), Takayoshi Konishi (Kanonji, Japan) and Kouichi Yamaki (Kanonji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present disclosure is to provide a method for regenerating a highly water-absorbing polymer that has been deactivated by an acid, the method enabling formation of a highly water-abso...