ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,318, issued on April 7, was assigned to MOCHIDA PHARMACEUTICAL Co. LTD. (Tokyo).
"Crosslinked alginic acid" was invented by Shoji Furusako (Tokyo), Tomohiro Narumi (Tokyo) and Tsutomu Satoh (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides alginic acid derivatives represented by formula (I) and formula (II), and a novel crosslinked alginic acid obtained by carrying out a Huisgen reaction using an alginic acid derivative of formula (I) and an alginic acid derivative of formula (II). There are thereby provided novel alginic acid derivatives and a novel crosslinked alginic acid."
The patent was filed on Jan. 31, 2024...