US Patent Issued to KAO on April 21 for "Method for producing modified cellulose fiber, and modified cellulose fiber" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,952, issued on April 21, was assigned to KAO Corp. (Tokyo).

"Method for producing modified cellulose fiber, and modified cellulose fiber" was invented by Yutaka Yoshida (Wakayama, Japan), Shotaro Shibata (Wakayama, Japan), Haruka Nakagawa (Wakayama, Japan), Yoshiaki Kumamoto (Wakayama, Japan), Norihiro Ito (Wakayama, Japan) and Yusaku Asai (Wakayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for producing modified cellulose fibers having cellulose I crystal structure, comprising: step A: introducing Substituent Group A to cellulose fibers via an ether bond in a solvent comprising water in the pre...