Benzene derivative having long, linear conjugated structure,...

Details Benzene derivative having long, linear conjugated structure,... Benzene derivative having long, linear conjugated structure,...

2004-03-22

2008-09-09

Wu, Shean C (Department: 1795)

Compositions

Liquid crystal compositions

C568S646000, C568S648000, C568S654000, C568S660000

Reexamination Certificate

active

07422702

ABSTRACT:
The present invention provides, in a method for transporting charge using the molecular orientation in a liquid-crystalline state, a novel benzene derivative having a long, linear conjugated structure expected to have satisfactory charge-transport properties without photoexcitation, a process for producing the benzene derivative, and a liquid-crystal material including the benzene derivative. The benzene derivative having a long, linear conjugated structure is represented by general formula (1):

REFERENCES:
patent: 7371887 (2008-05-01), Stupp et al.
patent: 2004-6271 (2004-01-01), None
Suzuki et al., “Polycondensation Catalyzed by a Palladium Comples. 2. Synthesis and Characterization of Main-Chain Type Liquid Crystalline Polymers Having Distyrylbenzene Mesogenic Groups”, Marcomolecules 1990, 23, 1574-1579.
English abstract for JP 2004-6271.
H. Ndayikengurukiye.; “Alkoxylated p-phenylenevinylene oligomers: synthesis and spectroscopic and electrochemical properties”, Tetrahedron, 1997, vol. 53, No. 40, pp. 13811-13828.
A. Watakabe et al.; Molecular design and monolayer stability of oligo (phenylenevinylene) derivatives, Colloids and Surfaces, A: Physico Chemical and Engineering Aspects, 1994, vol. 87, No. 2, pp. 101-116.

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