Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Nitrogen-containing reactant
Reexamination Certificate
2010-10-25
2011-11-08
Truong, Duc (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Nitrogen-containing reactant
C528S086000, C528S088000, C528S102000, C525S540000, C428S690000, C428S917000
Reexamination Certificate
active
08053547
ABSTRACT:
The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units.
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Becker Heinrich
Breuning Esther
Falcou Aurélie
Heun Susanne
Parham Amir
Connolly Bove & Lodge & Hutz LLP
Merck Patent GmbH
Truong Duc
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