Patent · US Expired

Method for removing acid from an aprotic liquid

US7037431B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

SOLVAY FLUOR und DERIVATE GmbH · DE

Inventors

Olaf Boese · Nuremberg, DE
Katja Peterkord · Hannover, DE

Key dates

Filing date	Mar 3, 2004
Grant date	May 2, 2006
Priority date	—
Expiry date	Jun 23, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/13
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Acids can be removed from aprotic organic liquids by bringing the liquids into contact with polyalkyleneimines that have been applied to a support. Polyethyleneimine that has been applied to amorphous silicon dioxide is particularly suitable for this method. The method can be used, for example, to eliminate acidic components from fluorinated esters.

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