Reversible recording material and displaying element

Details Reversible recording material and displaying element Reversible recording material and displaying element

2007-11-06

2009-08-04

Choi, William C (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S900000, C359S270000

Reexamination Certificate

active

07570412

ABSTRACT:
A reversible recording material is disclosed. The reversible recording material includes one or more kinds of compounds having a structure shown in Chemical Formula (1) on a surface of metal oxide particles.In Chemical Formula (1), X shows a linkage including an element selected from Si, Ti, and Al; Y shows a linkage including a structure selected from Chemical Formula (2); Z shows a methylene group or a sulfide group capable of having a substituent group; Ar shows an aromatic group capable of having a substituent group; R1and R2show corresponding alkylene groups; R3shows an alkylene group capable of forming a ring structure linked with —N—C—O— and able to have a substituent group; and “n” is an integer which is 1 or more.

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N. Sertova, et al., “Photochromism of styryl cyanine dyes in solution”, Journal of Photochemistry and Photobiology A: Chemistry, vol. 112, 1998, pp. 187-190, XP002477033.

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