Conjugated polymers containing spirobifluorene units and the...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

Reexamination Certificate

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C528S397000, C528S422000, C528S423000, C428S690000, C428S917000, C252S582000

Reexamination Certificate

active

10488625

ABSTRACT:
The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.

REFERENCES:
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patent: 6353083 (2002-03-01), Inbasekaran et al.
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patent: WO0046321 (2000-08-01), None
patent: WO-00/46321 (2000-10-01), None
patent: WO-02/077060 (2002-10-01), None
Meerholz et al, Polymer materials taht can be structured, method for producing the same and their use for LED's Feb. 7, 2002, Covion Organic semiconductors G. m.b.H., Germany, Chem Abstract 136: 167820.

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