US Patent Issued to E Ink on Aug. 4 for "Electrophoretic media comprising electrophoretic particles and a combination of charge control agents" (Massachusetts, California Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,288, issued on Aug. 4, was assigned to E Ink Corp. (Billerica, Mass.).

"Electrophoretic media comprising electrophoretic particles and a combination of charge control agents" was invented by Lee Yezek (Watertown, Mass.), Stephen J. Telfer (Arlington, Mass.), Sherry Hsin-Yi Tsai (Chelmsford, Mass.), Ziyan Wu (Wayland, Mass.), Eugene Bzowej (Dunstable, Mass.), Ali Sarvi (San Jose, Calif.) and Craig Gibeau (Billerica, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrophoretic medium is disclosed comprising four types of particles. The first type of particles has a first charge polarity. The second and third types of particles have a second ...