Compositions – Light transmission modifying compositions – Ultraviolet
Patent
1989-03-20
1990-03-06
Gron, Teddy S.
Compositions
Light transmission modifying compositions
Ultraviolet
252582, 25229968, 350350R, 350 11, F21V 904
Patent
active
049064070
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. Ed. Engl. 23, 1984, 690.
Shtykou, 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, D.C. 1983, chapter 3.
DeMartino Ronald N.
Stamatoff James B.
Yoon Hyun-Nam
Gron Teddy S.
Hoechst Celanese Corporation
Treanor Richard
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