US Patent Issued to NISSHINBO HOLDINGS on Oct. 14 for "Amphiphilic alginic acid particle group and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,850, issued on Oct. 14, was assigned to NISSHINBO HOLDINGS INC. (Tokyo).

"Amphiphilic alginic acid particle group and method for producing same" was invented by Toshifumi Hashiba (Chiba, Japan), Kazutoshi Hayakawa (Chiba, Japan) and Erina Matsuzaka (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides amphiphilic polymer particles which are formed from a naturally derived starting material and exhibit hydrophobicity, while maintaining an adequate water absorption. An amphiphilic alginic acid particle group which is obtained by subjecting a polyvalent metal salt of alginic acid to a hydrophobization treatment wit...