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:
Dec. 01, 2009
Filed:
Oct. 06, 2006
Gunther Van Cauwenberge, Temse, BE;
Johann-peter Melder, Boehl-Iggelheim, DE;
Kirsten Dahmen, Mannheim, DE;
Klemens Massonne, Bad Duerkheim, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Kai Michael Exner, Mumbai Powai, IN;
Gunther van Cauwenberge, Temse, BE;
Johann-Peter Melder, Boehl-Iggelheim, DE;
Kirsten Dahmen, Mannheim, DE;
Klemens Massonne, Bad Duerkheim, DE;
Steffen Oehlenschlaeger, Ludwigshafen, DE;
Kai Michael Exner, Mumbai Powai, IN;
BASF SE, Ludwigshafen, DE;
Abstract
Processes are described comprising: (i) providing a reactant comprising 1,2-dichloroethane; and (ii) reacting the reactant with ammonia to form a reaction product comprising one or more ethylene amines and hydrogen chloride, wherein the reaction is carried out in the presence of an organic, nitrogen- or phosphorus-containing compound which reacts with the hydrogen chloride to form an ionic liquid.