US 12,248,119 B2
Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens
Yoshihiro Someya, Yamato (JP); and Masayuki Shijo, Yokohama (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on Dec. 30, 2021, as Appl. No. 17/565,881.
Application 17/565,881 is a continuation of application No. PCT/JP2019/026021, filed on Jul. 1, 2019.
Prior Publication US 2022/0120937 A1, Apr. 21, 2022
Int. Cl. G02B 1/04 (2006.01); C07D 487/00 (2006.01); C08F 18/14 (2006.01); G02B 7/02 (2021.01)
CPC G02B 1/041 (2013.01) [C07D 487/00 (2013.01); C08F 18/14 (2013.01); G02B 7/021 (2013.01); G02B 7/025 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A compound represented by Formula (1) given below

OG Complex Work Unit Chemistry
wherein in the formula, R1 represents a hydrogen atom or a methyl group, and X represents a C2 to 6 alkylene group, a C4 to 6 alkylene group containing an oxygen atom and/or a sulfur atom, or a C3 to 6 alkylene group in which at least one hydrogen is replaced with an acryloxy group or a methacryloxy group.