US Patent Issued to Akron Polymer Systems on Oct. 6 for "Optical compensation films based on combinations of negative birefrigent and positive birefrigent components" (Ohio Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,358, issued on Oct. 6, was assigned to Akron Polymer Systems Inc. (Akron, Ohio).

"Optical compensation films based on combinations of negative birefrigent and positive birefrigent components" was invented by Zhikuan Lu (Hudson, Ohio), Lang Hu (Tallmadge, Ohio) and Limin Sun (Copley, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical compensation film with unique retardation including a compatible blend of a positive birefringent (C+) component, a negative birefringent (C-) component and a compatibilizing component may be prepared as follows: a block copolymer is prepared containing one of the birefringent materials, for example a negative...