The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 20, 2010

Filed:

Apr. 10, 2008
Applicants:

Tomohito Masaki, Kanagawa, JP;

Keizo Kimura, Kanagawa, JP;

Osamu Uchida, Kanagawa, JP;

Inventors:

Tomohito Masaki, Kanagawa, JP;

Keizo Kimura, Kanagawa, JP;

Osamu Uchida, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 50/04 (2006.01); C07C 257/00 (2006.01); G03C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A triarylamine derivative is represented by the following Formula (I). In Formula (I): R, R, Rand Reach independently represent a hydrogen atom, an aliphatic group or an aromatic group, R, R, R, R, R, R, Rand Reach independently represent a hydrogen atom or a substituent, provided that at least one pair among Rand R, Rand R, Rand R, Rand R, Rand Rand Rand Rincludes two different groups; at least one ring may be formed by mutual bonding in at least one pair among Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, and two Rs which are respectively bound to different phenyl groups; Xrepresents an m-valent anion; m and n represent 1 or 2; and a product of in and n is 2.


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