ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,239, issued on Nov. 18, was assigned to JAPAN SCIENCE AND TECHNOLOGY AGENCY (Saitama, Japan).

"Method for rendering tissue transparent, reagent for rendering tissue transparent, and tissue observation method" was invented by Hiroshi Onodera (Miyagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for rendering tissue transparent, comprising a procedure of immersing the tissue in a water-soluble solvent comprising 2,2'-thiodiethanol and at least one of glycerol and a nonionic organoiodine compound is provided as a technique capable of sufficiently rendering various organs transparent without causing their changes by a simple operation w...