Polymer containing sulfo group and organic electroluminescent element containing the polymer
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United States of America Patent
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Sep 6, 2011
Grant Date -
Sep 17, 2009
app pub date -
Oct 12, 2006
filing date -
Oct 13, 2005
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Abstract
A polymer compound suitable for use in organic electroluminescent elements; a process for producing the compound; and an organic electroluminescent element employing the compound. The polymer is a sulfo-containing polymer characterized by having a structure formed by introducing sulfo groups into a polymer comprising repeating units represented by the general formula (1):
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