Fused naphthalenes

Details Fused naphthalenes Fused naphthalenes

2007-07-04

2011-10-04

Visconti, Geraldina (Department: 1722)

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

C252S299010, C252S299610, C252S299620, C252S299630, C252S299640, C252S299650, C252S299660, C252S299670, C428S001100, C430S020000, C349S167000

Reexamination Certificate

active

08029696

ABSTRACT:
The invention relates to fused naphthalenes of the general formula I, in which A1, A2, A3, A4, Q1-Q2, G1-G2, R1, R2, X1, X2, X3, X4, X5, Z1, Z2, Z3, Z4, q, r, s and t have the meaning indicated, and to the use thereof as components of liquid-crystalline media and to an electro-optical display element containing them.

REFERENCES:
patent: 5648021 (1997-07-01), Wingen et al.
patent: 7067179 (2006-06-01), Ogawa et al.
patent: 2004/0099842 (2004-05-01), Klasen-Memmer et al.
patent: 2004/0245498 (2004-12-01), Schmidt et al.
patent: 103 13 700 (2004-10-01), None
patent: WO 02/051963 (2002-07-01), None
patent: WO 2006/012965 (2006-02-01), None

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