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. 22, 2013
Filed:
Dec. 29, 2008
Applicants:
Martin Stefan Hanson, Göteborg, SE;
Leif Kenny Christian Gustafson, Hjälteby, SE;
Johan Lif, Skärhamn, SE;
Boris Kuzmanovic, Utrecht, NL;
Ulf Schröder, Göteborg, SE;
Inventors:
Martin Stefan Hanson, Göteborg, SE;
Leif Kenny Christian Gustafson, Hjälteby, SE;
Johan Lif, Skärhamn, SE;
Boris Kuzmanovic, Utrecht, NL;
Ulf Schröder, Göteborg, SE;
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents.