Aqueous mini-emulsions which are stable in storage and based...

Compositions – Liquid crystal compositions

Reexamination Certificate

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C252S299670, C516S900000

Reexamination Certificate

active

10501915

ABSTRACT:
A storage-stable aqueous miniemulsion whose disperse phase comprises a cholesteric mixture is prepared and is used for coating and printing on suitable substrates.

REFERENCES:
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patent: 5730899 (1998-03-01), Ohnishi et al.
patent: 5798147 (1998-08-01), Beck et al.
patent: 6204900 (2001-03-01), Fergason
patent: 6616990 (2003-09-01), Prechtl et al.
patent: 197 16 822 (1998-10-01), None
patent: 197 38 369 (1999-03-01), None
patent: 2 328 436 (1999-02-01), None
patent: 96/02597 (1996-02-01), None
H. Baessler, et al., “Helical twisting power of steroidal solutes in cholesteric mesophases”, The Journal of Chemical Physics, vol. 52, No. 2, pp. 631-637 Jan. 15, 1970.

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