IP Library Granted Patent US 7,763,737
Granted Patent B2
US 7,763,737 · App. 12/041,174 · Granted Jul 27, 2010

Carbazole compound, and polymer thereof

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Quick Facts
Patent No.
US 7,763,737
App. No.
12/041,174
Granted
Jul 27, 2010
Kind
B2
Abstract

The present invention provides a carbazole compound represented by the following formula (I): wherein each Ar 1 independently represents a substituted or unsubstituted monovalent aromatic group or an aromatic group containing a heteroring, and R 1 and each R 2 independently represent a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group.

Claims (5)

1. A carbazole compound represented by the following formula (I):

wherein each Ar 1 independently represents a substituted or unsubstituted monovalent aromatic group or an aromatic group containing a heteroring, and R 1 and each R 2 independently represents a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group.

2. A carbazole compound polymer represented by the following formula (II):

wherein each Y independently represents a bivalent hydrocarbon group, each R 3 independently represents a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group, each m independently represents an integer of from 1 to 5, p represents an integer of from 5 to 5,000, and A represents a group represented by the following formula (III):

wherein each Ar 1 independently represents a substituted or unsubstituted monovalent aromatic group or an aromatic group containing a heteroring, and R 1 represents a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group.

Assignments (2)
CHANGE OF NAME Recorded Aug 12, 2021
From: FUJI XEROX CO., LTD.
To: FUJIFILM BUSINESS INNOVATION CORP.
Reel/Frame 058287/0056 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2008
From: HIROSE, HIDEKAZU; HORIBA, KOJI; AGATA, TAKESHI; SATO, KATSUHIRO; SATO, KAZUAKI; OHBA, YOSHIHIRO
To: FUJI XEROX CO., LTD.
Reel/Frame 020592/0585 →