Substituted fluorene polymers, their preparation and use in...

Details Substituted fluorene polymers, their preparation and use in... Substituted fluorene polymers, their preparation and use in...

2002-05-10

2009-12-15

Tarazano, D. Lawrence (Department: 1794)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From boron reactant having at least one boron to hydrogen or...

C428S690000, C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

07632908

ABSTRACT:
A polymer for use in an optical device comprising a hole transporting region, an electron transporting region, an emissive region, said polymer comprising an optionally substituted repeat unit of formula (I):wherein each Ar is the same or different and comprises an optionally substituted aryl group.

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