Patent · US Active

Dry liquids, and processes for their preparation

US8333914B2 · kind B2 · utility

3Cited by

4References

8Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Holger Pitsch · Seligenstadt, DE
Josef Piroth · Mespelbrunn, DE
Thomas Riedemann · Saarburg, DE
Heike Riedemann · Mömbris, DE
Ann Gray · Hanau, DE
Frank Dieter Huenig · Karlstein, DE

Key dates

Filing date	Nov 3, 2006
Grant date	Dec 18, 2012
Priority date	—
Expiry date	Nov 3, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2984
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Dry liquids having a particle size distribution (cumulative undersize)are prepared by passing the liquids and a hydrophobic, pyrogenically prepared silica through a clearly defined, spatially limited shear zone in which the liquids are broken up into small droplets and are surrounded by the hydrophobic, pyrogenically prepared silica.

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