US Patent Issued to E Ink on April 21 for "Electrophoretic media including charge control agents comprising quartenary amines and unsaturated polymeric tails" (Massachusetts, California Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,713, issued on April 21, was assigned to E Ink Corp. (Billerica, Mass.).

"Electrophoretic media including charge control agents comprising quartenary amines and unsaturated polymeric tails" was invented by Ziyan Wu (Wayland, Mass.), Jason D. Feick (Auburndale, Mass.), James H. Aborn (Medford, Mass.), John Lock (Wakefield, Mass.), Kosta Ladavac (Cambridge, Mass.), Erik Dunkerley (Billerica, Mass.), Hui Du (Billerica, Mass.) and Olga Vladimirovna Barykina-Tassa (Burlingame, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved formulations of electrophoretic media that can be incorporated into displays, front plane laminates, inverted front ...