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:
Jun. 26, 2001
Filed:
Mar. 10, 1999
Applicant:
Inventors:
Hermann Luyken, Ludwigshafen, DE;
Alwin Rehfinger, Mutterstadt, DE;
Peter Bassler, Viernheim, DE;
Guido Voit, Schriesheim, DE;
Rolf Fischer, Heidelberg, DE;
Martin Merger, Frankenthel, DE;
Harald Rust, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/10 ; C07C / ;
U.S. Cl.
CPC ...
B01D 3/10 ; C07C / ;
Abstract
A process for separating 2-aminomethylcyclopentylamine from a mixture consisting of hexamethylenediamine and 2-aminomethylcyclopentylamine by distilling the mixture at a pressure from 1 to 300 mbar.