Polymerizable dichromophoric dichroic azo dyes

Details Polymerizable dichromophoric dichroic azo dyes Polymerizable dichromophoric dichroic azo dyes

2005-04-26

2010-10-12

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001200, C428S001310, C252S299010, C252S299100, C252S299680, C534S610000, C534S612000, C526S259000, C528S363000

Reexamination Certificate

active

07811642

ABSTRACT:
The present invention is directed towards polymerizable dichromophoric dichroic azo dyes comprising azo-chromophores to which polymerizable groups are attached leading to dyes having sufficient solubility in combination with high coloring power and high order parameter.

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