US Patent Issued to Merck Patent on April 29 for "Brush polymer terminated with phosphonate for DSA" (American, South Korean Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,503, issued on April 29, was assigned to Merck Patent GmbH (Darmstadt, Germany).

"Brush polymer terminated with phosphonate for DSA" was invented by EunJeong Jeong (Gyeonggi-do, South Korea), Durairaj Baskaran (Bridgewater, N.J.) and Jihoon Kim (North Wales, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed subject matter relates compounds of structure (I), and polymers of structure (II) having a polydispersity ranging from 1 to about 1.1, compositions comprising said polymers and a spin casting solvent, the process of forming a pinning layer selectively on metal with said composition and the process of using said pinning layers to aff...