Patent · US Active

Method of preparing a finely divided emulsion from a crude emulsion

US7452470B2 · kind B2 · utility

2Cited by

20References

9Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Danner · Erpolzheim, DE
Hartwig Voβ · Bischofswerda, DE
Andreas Bauder · Ludwigshafen am Rhein, DE
Sonja Viereck · Mannheim, DE

Key dates

Filing date	Nov 17, 2005
Grant date	Nov 18, 2008
Priority date	—
Expiry date	Sep 27, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01F25/4522
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method of preparing a finely divided emulsion from a crude emulsion is proposed where the crude emulsion is forced through a porous membrane, wherein the porous membrane is constructed from two or more superimposed layers which differ in pore diameter.

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