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. 16, 2018
Filed:
Sep. 29, 2014
Applicants:
Huntsman International Llc, The Woodlands, TX (US);
Huntsman Corporation Hungary Zrt, Gyartelep, HU;
Inventors:
Attila Gaspar, Petfurdo, HU;
Zsolt Gaspar, Petfurdo, HU;
Zsanett Szabone Herseczki, Varpalota, HU;
Heiko Heinrich Humbert, Hamburg, DE;
Imre Kordas, Veszprem, HU;
Petra Emma Vanderstraeten, Leuven, BE;
Assignee:
HUNTSMAN INTERNATIONAL LLC, The Woodlands, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 213/08 (2006.01); B01D 3/36 (2006.01); C07C 213/10 (2006.01); C07C 213/02 (2006.01);
U.S. Cl.
CPC ...
C07C 213/08 (2013.01); B01D 3/36 (2013.01); C07C 213/02 (2013.01); C07C 213/10 (2013.01);
Abstract
The present invention relates to a method for separating N,N,N'-trimethylbisaminoethylether and/or N,N-dimethylbisaminoethylether, from a mixture A comprising N,N,N′-trimethylbisaminoethylether, and N,N-dimethylbisaminoethylether, wherein said method comprises the steps of: