Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2003-03-24
2009-12-22
Tarazano, D. L (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S040000, C546S004000, C136S263000
Reexamination Certificate
active
07635526
ABSTRACT:
The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can, as active constituents (functional materials), be used in a number of different applications, which in the broadest sense can be classed as belonging to the electronics industry. The compounds according to the invention are described by the formulas (I), (Ia), (II), (IIa), (III), (IIIa), (IV) and (IVa).
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Bach Ingrid
Becker Heinrich
Spreitzer Hubert
Stössel Philipp
Connolly Bove & Lodge & Hutz LLP
Merck Patent GmbH
Tarazano D. L
Wilson Michael
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