ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,242, issued on Sept. 15, was assigned to INSTITUTE OF ORGANIC CHEMISTRY AND BIOCHEMISTRY AS CR, V. V. I. (Prague).

"Carbohydrate derivatives and kits for cell surface labeling" was invented by Milan Vrabel (Galanta, Slovak Republic), Rastislav Dzijak (Mosurov, Slovak Republic) and Anna Kovalova (Prague).

According to the abstract* released by the U.S. Patent & Trademark Office: "Carbohydrate derivatives of general formula I bearing a trans-cyclooctene moiety in covalently binding active moieties to cell surfaces in vitro and/or in vivo for therapeutic or nontherapeutic purposes are described. Compounds of general formula II are used together with the derivatives of general formu...