ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,662, issued on June 30, was assigned to NOF Corp. (Shibuya-ku, Japan).
"Method for producing maleimide polyethylene glycol lipid" was invented by Shota Mori (Ebina, Japan) and Masaki Ota (Ota-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for producing a maleimide polyethylene glycol lipid, and the method includes a reaction step of deprotecting a maleimide polyethylene glycol lipid having a protective group by heating the maleimide polyethylene glycol lipid having a protective group in a solvent in the presence of silica gel. According to the present invention, a production method of preventing dete...