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:
Sep. 22, 1992
Filed:
Jun. 01, 1990
Applicant:
Inventors:
Assignee:
Tosoh Corporation, Yamaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564479 ; 502353 ;
Abstract
A process for producing an alkylenamine, which comprises reacting ammonia and/or an alkylenamine with an alkanolamine in the presence of niobium oxide treated with an acid, to obtain an alkylenamine having an increased number of alkylene chains over the ammonia and/or the alkylenamine as starting material.