US Patent Issued to Merck Patent on July 22 for "Method for preparing a liquid crystal-based switching element" (Dutch Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,838, issued on July 22, was assigned to Merck Patent GmbH (Germany).

"Method for preparing a liquid crystal-based switching element" was invented by Roel van Raak (Tilburg, Netherlands) and Paul Verbunt (Roermond, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a switching element which is operable in and electrically switchable between an optically clear state and a scattering state, wherein one or more polymerisable mesogenic compounds provided in a layer containing a liquid-crystalline medium which comprises one or more mesogenic compounds, one or more chiral compounds and the one or more polymerisable mesogenic ...