Bisazo-based charge transport materials having...

Details Bisazo-based charge transport materials having... Bisazo-based charge transport materials having...

2008-01-08

2008-01-08

Huff, Mark F. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C430S072000, C564S249000, C399S159000

Reexamination Certificate

active

07316877

ABSTRACT:
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:(c) a charge transport material having the formula:in-line-formulae description="In-line Formulae" end="lead"?R1—N═N—Ar1—X—Ar2—N═N—R2in-line-formulae description="In-line Formulae" end="tail"?where R1and R2comprise, each independently, a 4-oxo-2,5-cyclohexadiene-1-ylidenyl group;X comprises oxy, thio, sulfonyl, sulfinyl, sulfonyldioxy, azo, carbonyl, thiocarbonyl, carbonyldioxy, oxalyl, an arylene group, an arylenebisazo group, an imino group, a hydrazo group, a carbonimidoyl group, a vinylene group, or a combination thereof; andAr1and Ar2comprise, each independently, an aromatic group; and(b) a charge generating compound.Corresponding electrophotographic apparatuses, imaging methods, and the charge transport material are also described.

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Bethell, Donald, Kang, Dong-Hyo, and Zerbi, Giuseppe,Oligormeric bis(1,3-indandiylidene)azines: preparation, electrochemical and spectroscopic properties, and implications for the use of polyazines as conducting material, J. Chem. Soc., Perkin Trans. 2, 1996, pp. 1081-1086.

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