Polymer compound comprising aryl repeating units with crosslinking pendent groups and light-emitting element using same

US8993124B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8993124-B2
Application numberUS-200913056227-A
CountryUS
Kind codeB2
Filing dateJul 29, 2009
Priority dateJul 29, 2008
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A polymer compound including: the repeating unit shown in the following formula (I) (wherein: Ar 1 represents an arylene group, a divalent heterocyclic group, or a divalent aromatic amine; J 1 and J 2 each represent a direct bond, an alkylene group, or a phenylene group, and X 1 represents an oxygen atom or a sulfur atom; i is an integer from 0 to 3; j is 0 or 1; m is 1 or 2; and R 1 represents a hydrogen atom, an alkyl group, an alkoxy group, or the like) and the repeating unit shown in the following formula (II) (wherein: Ar2 represents a fluorene-diyl group; J 3 and J 4 each represent a direct bond, an alkylene group, or a phenylene group; X 2 represents an oxygen atom or a sulfur atom; k is an integer from 0 to 3; l is 0 or 1; and n is 1 or 2).

First claim

Opening claim text (preview).

The invention claimed is: 1. A polymer compound comprising a repeating unit represented by the following formula (I): wherein Ar 1 represents an arylene group, a divalent heterocyclic group or a divalent aromatic amine; J 1 each independently represents a direct bond, an alkylene group or a phenylene group; J 2 is an alkylene group; X 1 represents an oxygen atom or a…

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What does patent US8993124B2 cover?
A polymer compound including: the repeating unit shown in the following formula (I) (wherein: Ar 1 represents an arylene group, a divalent heterocyclic group, or a divalent aromatic amine; J 1 and J 2 each represent a direct bond, an alkylene group, or a phenylene group, and X 1 represents an oxygen atom or a sulfur atom; i is an integer from 0 to 3; j is 0 or 1; m is 1 or 2; and R 1 repre…
Who is the assignee on this patent?
Nakatani Tomoya, Kawaguchi Keiko, Sumitomo Chemical Co
What technology area does this patent fall under?
Primary CPC classification H01L51/0036. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).