Polymer and uses thereof

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Reexamination Certificate

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C252S301160, C252S301320, C428S917000, C528S397000, C528S422000

Reexamination Certificate

active

06998181

ABSTRACT:
A polymer including a region having a conjugated backbone capable of transporting negative charge carriers, which region includes a plurality of repeat units each including a core group which includes an [Ar′] group substituted with at least one pendant group X and the [Ar′] groups form at least a part of the backbone, wherein each Ar′ includes an aromatic or heteroaromatic group and each X includes NAr2in which each Ar is the same or different and independently includes a substituted or unsubstituted aromatic or heteroaromatic group and N is conjugated with the backbone.

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