Light polarizing materials and suspensions thereof

Details Light polarizing materials and suspensions thereof Light polarizing materials and suspensions thereof

1989-10-27

1991-03-26

Stoll, Robert L.

Compositions

Light transmission modifying compositions

Displaying color change

252585, 252582, 350398, 350395, G02B 530, G02B 522

Patent

active

050027018

ABSTRACT:
Light-polarizing materials comprising a complex obtained by reacting elemental iodine, and iodide and a monoalkyl- or dialkyl-piperazinedione or an unsubstituted or monoalkyl- or dialkyl- substituted 2,5-dicarboxy-pyrazine, and uses thereof in liquid suspensions, set suspensions and light valves.

REFERENCES:
patent: 4877313 (1989-10-01), Saxe

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