Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-12-15
2011-11-22
Stockton, Laura L. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C428S690000, C257S040000
Reexamination Certificate
active
08063230
ABSTRACT:
The present invention relates to tris(N-aryl-benzimidazole)benzene compounds of the formula:where R1-R6, Ar, m, n, p, q, r, and s are defined in the specification. Also provided are compositions comprising tris(N-aryl-benzimidazole)benzene compounds. The invention also relates to use of such compounds in electronic devices.
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Delaney William J.
Shuey Steven W.
Smith Eric M.
Wang Ying
E. I. du Pont de Nemours and Company
Stockton Laura L.
Woodcock & Washburn LLP
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