Patent · US Expired

Method for separating 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine

US6204408A · kind A · utility

5Cited by

5References

9Claims

0Family size

Assignee

BASF SE

Inventors

Peter Bassler · Viernheim, DE
Hermann Luyken · Ludwigshafen, DE
Alwin Rehfinger · Mutterstadt, DE
Harald Rust · Bochum, DE

Key dates

Filing date	Jul 21, 1999
Grant date	Mar 20, 2001
Priority date	—
Expiry date	Jul 21, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C253/34
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for distillative removal of 6-aminocapronitrile from mixtures (I) comprising 6-aminocapronitrile and an imine (II) comprises conducting the distillation in the presence of carbon dioxide.

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