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.
Patent No.:
Date of Patent:
Jan. 22, 2008
Filed:
Jan. 28, 2004
Applicants:
Hisayuki Kawamura, Chiba, JP;
Hiroyuki Matsui, Saitama, JP;
Koji Hirota, Saitama, JP;
Inventors:
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 209/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a method for efficiently producing an aromatic diamine derivative represented by formula (3) at high yield, the method including reacting an aromatic amide represented by formula (1) with an aromatic halide represented by formula (2): (wherein each of Ar, Arand Arrepresents a substituted or unsubstituted aryl group or heteroaryl group; Arrepresents a substituted or unsubstituted arylene group or heteroarylene group; and X represents a halogen atom).