Light valve containing improved light valve suspension

Compositions – Radioactive compositions – Nuclear reactor fuel

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252300, 252308, 252309, 350356, 350397, G02F 101

Patent

active

042471753

ABSTRACT:
In a light valve comprising a liquid suspension of small particles selected from the group consisting of halogenated alkaloid acid salts and metal halides in a liquid suspending medium, the improvement in which said liquid suspending medium comprises a liquid, saturated, aliphatic halogenated hydrocarbon having a ratio of halogen atoms to all other atoms therein of greater than 1:1, the halogen atoms of said particles being iodine and/or bromine and the halogen atoms of said halogenated hydrocarbon being of lower atomic weight than the halogen atoms of said particles, and at least 50% the halogen atoms of said halogenated hydrocarbon being selected from the group consisting of fluorine and chlorine.

REFERENCES:
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patent: 2176516 (1939-10-01), Wilmanns et al.
patent: 2178996 (1939-11-01), Land et al.
patent: 2289712 (1942-07-01), Land et al.
patent: 3512876 (1970-05-01), Marks
patent: 3773684 (1973-11-01), Marks
patent: 4025163 (1977-05-01), Saxe et al.
Hatschek, E., "An Herapathite Suspension," Kolloid-Zeitschrift, vol. 45, pp. 195-197 (1928).

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