Intellectual Property India Publishes Patent Application for Electrophoretic Media Comprising A Cationic Charge Control Agent

MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202617058161 A) filed by E Ink Corporation on May 07, 2026, for Electrophoretic Media Comprising A Cationic Charge Control Agent.

Inventors include Bzowej, Eugene; and Bull, Darwin Scott.

The application for the patent was published on September 11, 2026, under issue no. 37/2026.

Abstract: Electrophoretic media are disclosed containing a plurality of charged pigment particles, a charge control agent, and a non-polar liquid. The molecular structure of the charge control agent includes two quaternary ammonium functional groups, two or more amide functional groups or two or more ester functional groups, and two or more aliphatic biradical units, each ...