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:
Feb. 25, 2014
Filed:
May. 06, 2010
Humbert Heiko Heinrich, Hamburg, DE;
Gaspar Zsolt, Petfurdo, HU;
Felber Gabor, Veszprem, HU;
Gaspar Attila, Petfurdo, HU;
Grigsby Robert Alison, Jr., East Legends Trail Spring, TX (US);
Kordas Imre, Veszpreme, HU;
Vanderstraeten Petra Emma, Leuven, BE;
Humbert Heiko Heinrich, Hamburg, DE;
Gaspar Zsolt, Petfurdo, HU;
Felber Gabor, Veszprem, HU;
Gaspar Attila, Petfurdo, HU;
Grigsby Robert Alison, Jr., East Legends Trail Spring, TX (US);
Kordas Imre, Veszpreme, HU;
Vanderstraeten Petra Emma, Leuven, BE;
Huntsman International LLC, The Woodlands, TX (US);
Huntsman Corporation Hungary ZRT, Petfurdo, HU;
Abstract
According to the present invention, a method for separating a primary amine being an N,N-dialkylbisaminoalkylether, from mixtures comprising said primary amine and at least one of a secondary amine being an N,N,N'-trialkylbisaminoalkylether and a tertiary amine being an N,N,N′,N′-tetraalkylbisaminoalkylether, comprising the steps:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile