US Patent Issued to NIKON on Dec. 9 for "Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,273, issued on Dec. 9, was assigned to NIKON Corp. (Tokyo).

"Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens" was invented by Yoshihiro Someya (Yamato, Japan) and Masayuki Shijo (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound represented by Formula (1) given below. (In the formula, R1 represents a hydrogen atom or a methyl group, X1 represents a C1 to 9 alkylene group, or a C3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group, l1 represen...