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:
May. 27, 2014
Filed:
Mar. 15, 2012
Frank-friedrich Pape, Kleinniedesheim, DE;
Alfred Krause, Sepyer, DE;
Johann-peter Melder, Böhl-Iggelheim, DE;
Bernd Stein, Alsbach-Hähnlein, DE;
Joachim-thierry Anders, Gönnheim, DE;
Frank Haese, Dietzenbach, DE;
Frank-Friedrich Pape, Kleinniedesheim, DE;
Alfred Krause, Sepyer, DE;
Johann-Peter Melder, Böhl-Iggelheim, DE;
Bernd Stein, Alsbach-Hähnlein, DE;
Joachim-Thierry Anders, Gönnheim, DE;
Frank Haese, Dietzenbach, DE;
BASF SE, , DE;
Abstract
Processes comprising: (a) reacting dimethylamine and ethylene oxide to form a product mixture comprising N,N-dimethylethanolamine and N,N-dimethylaminoethoxyethanol; (b) distilling the product mixture to obtain a bottom fraction comprising N,N-dimethylaminoethoxyethanol; and (c) distilling the bottom fraction to separate at least a portion of the N,N-dimethylaminoethoxyethanol from the bottom fraction; and apparatus for carrying out said processes.