US Patent Issued to Wacker Chemie on Dec. 16 for "Aqueous dispersions of amino-functionalized organopolysiloxanes pre-crosslinked with oxalatopolyethers" (German Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,491, issued on Dec. 16, was assigned to Wacker Chemie AG (Munich).

"Aqueous dispersions of amino-functionalized organopolysiloxanes pre-crosslinked with oxalatopolyethers" was invented by Christof Brehm (Munich), Ernst Selbertinger (Munich) and Johannes Zirzlmeier (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous dispersion includes precrosslinked organopolysiloxanes, emulsifiers, and water. The precrosslinked organopolysiloxanes include units of the formula R2SiO2/2 (I), and on average at least one structural unit of the formula SiR1O2/2-Y-SiR1O2/2 (III) where Y is a divalent radical of the formula -R2-[NR3-R4-]nNR3-C(O)-C(O)-NR3-Z-...