MUMBAI, India, June 19 -- Intellectual Property India has published a patent application (202617057582 A) filed by E Ink Corporation on May 06, 2026, for Electrophoretic Media Comprising Cationic Charge Control Agent.
Inventor includes Bzowej, Eugene.
The application for the patent was published on June 05, 2026, under issue no. 23/2026.
Abstract: Electrophoretic media are disclosed containing a plurality of charged pigment particles, a charge control agent, and a non-polar liquid. The charge control agent (CCA) has a molecular structure comprising a quaternary ammonium functional group or an imidazolium cation, a hydrophobic tail, and a counter ion, the counter ion being an anion, the anion being a conjugate base of an acid, the acid ha...