Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heavy metal or aluminum reactant having at least one...
Reexamination Certificate
2007-06-19
2010-12-14
Jagannathan, Vasu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From heavy metal or aluminum reactant having at least one...
C528S166000
Reexamination Certificate
active
07851579
ABSTRACT:
Compositions comprising at least one phosphorescent organometallic compound and a polymer comprising structural units of formula II are useful in organic light emitting deviceswherein R1, R2, and R4are independently at each occurrence a C1-C20aliphatic radical, a C3-C20aromatic radical, or a C3-C20cycloaliphatic radical;wherein R3and R5are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3.
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Litz Kyle Erik
Liu Jie
Ye Qing
General Electric Company
Gioeni Mary Louise
Heincer Liam J
Jagannathan Vasu
LandOfFree
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