Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-05-02
2006-05-02
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C252S301160, C313S504000, C313S506000
Reexamination Certificate
active
07037600
ABSTRACT:
Compounds of formula [I]wherein each R1to R8is independently selected from the group consisting of halogen atoms, cyano, isocyano, mercapto, amino, carbonyl, carboxy, sulfone, nitro and hydroxy groups, and optionally substituted alkyl, alkenyl, alkynyl, haloalkyl, hydroxyalkyl, aryl, alkoxy, aryloxy, alkylamino, arylamino, alkylarylamino, amide, alkylthio, arylthio, alkoxy carbonyl, siloxy, cyclic hydrocarbon or heterocyclic groups; each x is independently zero, one, two or three; each y is independently zero or one; and each z is independently zero, one, two or three are useful in organic electroluminescence devices. Such compounds are disclosed herein, as well as organic electroluminescence devices using the compounds in the emissive layer.
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Gao Zhi-Qiang
Hung Liang-Sun
Lee Chun-Sing
Lee Shuit-Tong
Mi Baoxiu
City University of Hong Kong
Dye Rena
Heslin Rothenberg Farley & & Mesiti P.C.
Thompson Camie S.
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