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:
Jun. 22, 2010
Filed:
Jun. 21, 2004
Applicants:
Shinji Nishimae, Kyoto, JP;
Go Masuda, Suita, JP;
Yasunori Okumura, Kobe, JP;
Inventors:
Assignee:
Nippon Shokubai Co., Ltd, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 69/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the production of a fluorinated phenylenediamine is provided which comprises steps of reacting a diamide represented by the following formula with NaOCl at a molar ratio of the NaOCl to the diamide in the range of 2.0-6.0 and NaOH at a molar ratio of the NaOH to the diamide in the range of 1.8-6.0 is provided. According to this invention, the fluorinated phenylenediamine can be produced conveniently in a high yield.