Mono-, oligo- and polymers comprising dithienothiophene and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant

Reexamination Certificate

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Reexamination Certificate

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10844443

ABSTRACT:
The invention relates to mono-, oligo- and polymers comprising a dithienothiophene group and an aryl group useful as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltaic and sensor devices.

REFERENCES:
patent: 6403809 (2002-06-01), Holmes et al.
patent: 2003/0042471 (2003-03-01), Heeney et al.
patent: 2003/0047720 (2003-03-01), Heeney et al.
patent: 1 275 650 (2003-01-01), None
patent: 1 275 651 (2003-01-01), None
patent: WO 99/12989 (1999-03-01), None
patent: WO 03/006468 (2003-01-01), None

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