s -Indacene and indeno[5,6-d][1,3]dioxol-derivatives and use...

Details s -Indacene and indeno[5,6-d][1,3]dioxol-derivatives and use... s -Indacene and indeno[5,6-d][1,3]dioxol-derivatives and use...

2011-04-12

2011-04-12

Visconti, Geraldina (Department: 1722)

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

C252S299010, C252S299610, C252S299620, C549S433000, C570S129000, C349S182000, C349S183000, C349S184000, C349S185000, C349S186000, C428S001100

Reexamination Certificate

active

07922934

ABSTRACT:
The invention relates 1,2,3,6,7,8-hexahydro-s-indacene derivatives and 6,7-dihydro-5H-indeno[5,6-d]-1,3-dioxole derivatives, and to the use thereof as component(s) in liquid-crystalline media. In addition, the present invention relates to liquid-crystal and electro-optical display elements which contain the liquid-crystalline media according to the invention.

REFERENCES:
patent: 2004/0171866 (2004-09-01), Reiffenrath et al.
patent: 2006/0165915 (2006-07-01), Lietzau et al.
patent: 39 08 269 (1990-09-01), None
patent: 101 35 499 (2003-01-01), None
patent: 1 350 780 (2003-10-01), None
patent: WO 03/010120 (2003-02-01), None
patent: WO 2004/020375 (2004-03-01), None

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