LAYER CONFIGURATION WITH IMPROVED STABILITY TO SUNLIGHT EXPOSURE
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United States of America Patent
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Issued Date -
Nov 27, 2008
app pub date -
Nov 2, 2007
filing date -
Nov 6, 2006
priority date (Note) -
Abandoned
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Abstract
A composition exclusive of hydroquinone comprising at least one polymer comprising (3,4-dialkoxythiophene) monomer units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion, at least one aromatic compound exclusive of sulfo groups and containing at least two hydroxy groups and at least one polyhydroxy- and/or carboxy group or amide or lactam group containing aliphatic compound and/or at least one aprotic compound with a dielectric constant .gtoreq.15; and a layer configuration on a support, said layer configuration comprising a layer exclusive of hydroquinone comprising at least one polymer comprising optionally substituted (3,4-dialkoxythiophene) monomer units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion, at least one aromatic compound exclusive of sulfo groups and containing at least two hydroxy groups and at least one polyhydroxy- and/or carboxy group or amide or lactam group containing aliphatic compound and/or at least one aprotic compound with a dielectric constant .gtoreq.15.
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