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US 11,440,869 B2Granted
Compound, resin precursor, cured product, optical element, optical system, interchangeable lens for camera, optical device, cemented lens, and production method for cemented lens
AssigneeNikon Corporation
InventorsYoshihiro Someya, Masayuki Shijo
Life of this patent
Estimating the term…
Abstract
A compound expressed in the following formula (1) (where R1 and R2 independently denote a hydrogen atom or a methyl group, Y1 and Y2 independently denote an alkylene group having a carbon number of 1 to 9, and n1 and n2 independently denote an integer of 0 to 3).
Claims23
A compound expressed in the following formula (1)
- (where R1 and R2 independently denote a hydrogen atom or a methyl group, Y1 and Y2 independently denote an alkylene group having a carbon number of 1 to 9, and n1 and n2 independently denote an integer of 0 to 3).
Dependencies are inferred from the claim text.