Amine compounds, their preparation processes and the organic...

Details Amine compounds, their preparation processes and the organic... Amine compounds, their preparation processes and the organic...

2011-05-10

2011-05-10

Tarazano, D. Lawrence (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C313S504000, C564S427000

Reexamination Certificate

active

07939184

ABSTRACT:
The claimed invention relates to compounds of the formula (I):wherein X, Y, Ar1, Ar2, Ar3and Ar4are as defined in the specification. The claimed invention also relates to the preparation processes of the said compounds and their uses in the organic electroluminescent device.

REFERENCES:
patent: 2005/0084707 (2005-04-01), Satsuki et al.
patent: WO 2006/080640 (2006-08-01), None

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