Liquid crystal compositions comprising an organogermanium...

Details Liquid crystal compositions comprising an organogermanium... Liquid crystal compositions comprising an organogermanium...

2005-12-02

2008-09-16

Wu, Shean C (Department: 1795)

Compositions

Liquid crystal compositions

C252S299500, C252S299610, C252S299640, C252S299650, C252S299660, C252S299670, C556S087000, C556S095000, C556S106000, C556S107000, C556S108000

Reexamination Certificate

active

07425281

ABSTRACT:
The present invention provides organogermanium compounds and liquid crystal compositions comprising such a compound.

REFERENCES:
patent: 5788880 (1998-08-01), Schierlinger et al.
patent: 5951912 (1999-09-01), Mercer
patent: 6749771 (2004-06-01), Cherkaoui et al.
Bares et al, “Preparations and Reactions of Symmetrical Dimethykenebiphenyl Dianions; Conformations of [0.n]-o-Cyclophanes. A simple NMR Method for Determining Twist Angles in Biphenyls”, J. Org. Chem, vol. 54, pp. 311-317, 1989.
Caplus 1989: 57278.
Caplus 1978: 43655.
Caplus 1980: 42407.

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