Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1975-04-22
1976-08-31
Padgett, Benjamin R.
Compositions
Radioactive compositions
Nuclear reactor fuel
252299, G02F 113, C09K 334
Patent
active
039777693
ABSTRACT:
The present invention provides an improved electro-optical device having a cell for containing a liquid crystal and consisting of two light-transparent plates opposed to each other and having electrically conductive electrodes on the inner surfaces thereof, the electrodes on at least one inner surface being transparent and spacer means between said opposed electrodes; and a power supply coupled to said electrodes for applying an electric voltage to said electrodes, whereas the improvement comprises a liquid crystal in said cell between said electrodes consisting of 99.95 to 65 wt.% of at least one nematic liquid crystal and 0.05 to 35 wt.% of at least one optically active compound of the formula: ##EQU1## wherein X is --N=N-- or ##EQU2##
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patent: 3806230 (1974-04-01), Haas
patent: 3819531 (1974-06-01), Saeva et al.
patent: 3891307 (1975-06-01), Tsukamoto et al.
Gray, G. W. et al., Liquid Crystals & Plastic Crystals, vol. 1, Ellis Horwood, Ltd., London, pp. 142-143, 170--171 (Jan. 1974).
DE Jeu, W. H. et al., Philips Res. Repts., vol. 27, pp. 172-185 (1972).
Sackmann, Erich; et al. J. Amer. Chm. Soc., vol. 89, No. 23, pp. 5981-5982 (11/8/67).
Berreman, D. W., et al., Physical Rev. Letters, vol. 25, No. 9, pp. 577-581 (8/31/70).
Morimoto Kazuhisa
Murakami Yoshinobu
Ohtsuka Tetsuro
Tsukamoto Masahide
Gron T. S.
Matsushita Electric - Industrial Co., Ltd.
Padgett Benjamin R.
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