Compounds for use in organic EL devices and organic EL devices

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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C428S917000, C428S704000, C313S504000, C313S506000, C564S426000, C252S301160, C252S301350, C257S040000, C257S103000

Reexamination Certificate

active

07097917

ABSTRACT:
A compound for use in organic EL devices comprisingin-line-formulae description="In-line Formulae" end="lead"?Xn—Yin-line-formulae description="In-line Formulae" end="tail"?wherein X is a compound of the formula and Y is a linking groupand R1to R8and a to d are hydrogen, an alkyl group, an aryl group which may be substituted, an allyl group which may be substituted, a heterocyclic group which may be substituted, an amino group, or an arylamino group which may be substituted.

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