Patent · US Expired

Process for fractionating water-containing crude amine mixtures from amine synthesis

US6913674B2 · kind B2 · utility

4Cited by

7References

6Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Wölfert · Bad Rappenau, DE
Heinz Rutter · Hochdorf-Assenheim, DE
Stefan Rittinger · Mannheim, DE
Mark Wehinger · Ludwigshafen, DE
Aurelie Alemany · Stuttgart, DE
Willi Schmidt · Ludwigshafen, DE

Key dates

Filing date	Jul 12, 2004
Grant date	Jul 5, 2005
Priority date	—
Expiry date	Jul 12, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S203/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A mixture containing one or more amines, water, low-boilers and high-boilers, is fractioned in a process wherein

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