Compositions – Light transmission modifying compositions – Ultraviolet
Patent
1989-03-20
1990-01-09
Gron, Teddy S.
Compositions
Light transmission modifying compositions
Ultraviolet
252600, 252582, G02B 522
Patent
active
048926825
ABSTRACT:
In one embodiment this invention provides a novel class of azomethine compounds which exhibit nonlinear optical response, such as 4-(4-dimethylaminobenzylideneamino)-4'- nitrostilbene: ##STR1##
REFERENCES:
patent: 3697595 (1972-10-01), Clecak et al.
Williams, D. J., Angew. Chem. Int. Edl. Eng. 23, 1984, 690.
Shtykov, N. M. et al., Mol. Cryst. Liq. Cryst. 124, 1985, 379.
Tweig, R. J., Jain, K. in Nonlinear Properties of Organic and Polymeric Materials, Williams, D. J., ed. ACS Washington, DC, 1983, Chapter 3.
DeMartino Ronald N.
Stamatoff James B.
Yoon Hyun-Nam
Gron Teddy S.
Hoechst Celanese Corporation
Treanor Richard
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