Patent · US Expired

Process for the separation of 2-aminomethylcyclopentylamine from a mixture containing hexamethyldiamine and 2-aminomethylcyclopentylamine

US6251229A · kind A · utility

2Cited by

5References

9Claims

0Family size

Assignee

BASF SE

Inventors

Hermann Luyken · Ludwigshafen, DE
Alwin Rehfinger · Mutterstadt, DE
Peter Bassler · Viernheim, DE
Guido Voit · Freinsheim, DE
Rolf Fischer · Heidelberg, DE
Martin Merger · Bischofswerda, DE
Harald Rust · Bochum, DE

Key dates

Filing date	Mar 10, 1999
Grant date	Jun 26, 2001
Priority date	—
Expiry date	Mar 10, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S203/11
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.