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.:

US 7321066 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 22, 2008

Filed:

Jan. 28, 2004
Applicants:

Hisayuki Kawamura, Chiba, JP;

Hiroyuki Matsui, Saitama, JP;

Koji Hirota, Saitama, JP;

Inventors:

Hisayuki Kawamura, Chiba, JP;

Hiroyuki Matsui, Saitama, JP;

Koji Hirota, Saitama, JP;

Assignee:
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).


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Kawamura, Hisayuki. (2008). Method for producing aromatic diamine derivative (U.S. Patent No. 7321066). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7321066

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