Method to provide homogeneous liquid crystal cells containing a

Details Method to provide homogeneous liquid crystal cells containing a Method to provide homogeneous liquid crystal cells containing a

1976-12-23

1978-07-04

Padgett, Benjamin R.

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

252299, 350349, 141 11, G02F 113, C09K 334, B65B 3102

Patent

active

040983013

ABSTRACT:
Filled liquid crystal cells containing a soluble, pleochroic dyestuff are treated by heating above the nematic to isotropic liquid transition temperature until the cells appear uniformly colored.

REFERENCES:
patent: 3597044 (1971-08-01), Castellano
patent: 3698449 (1972-10-01), Sorkin et al.
patent: 3799651 (1974-03-01), Janning
patent: 3833287 (1974-09-01), Taylor et al.
patent: 3864022 (1975-02-01), Moriyama et al.
patent: 3926502 (1975-12-01), Tanaka et al.
patent: 3960750 (1976-06-01), Moriyama et al.
patent: 3960751 (1976-06-01), Moriyama et al.
patent: 4007077 (1977-02-01), Yaguchi
patent: 4032219 (1977-06-01), Constant et al.
patent: 4032470 (1977-06-01), Bloom et al.

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