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:
Oct. 26, 1999
Filed:
May. 14, 1998
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564473 ;
Abstract
A process for producing diamines by reacting a dialdehyde with ammonia and hydrogen in the presence of a hydrogenation catalyst to produce the corresponding diamine, where a solvent comprising an alcohol is used in the reaction and the concentration of water in the reaction mixture is 5 to 15% by weight.
Quick Actions:
Nagareda, Katsushi. (1999). Process for producing diamines (U.S. Patent No. 5973208). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5973208
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile