Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-08-01
2006-08-01
Yamnitzky, Marie (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257SE51049
Reexamination Certificate
active
07083864
ABSTRACT:
A light emitting device material comprising a compound represented by the following formula (1):wherein Ar11, Ar12and Ar31each represent an arylene group, Ar12, Ar22and Ar32each represent a substituent group or a hydrogen atom, provided that at least one among Ar11, Ar21, Ar31, Ar12, Ar22and Ar32has a condensed-ring arene or heteroarene structure, and Ar represents a trivalent arene or heteroarene group.
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