The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 2012
Filed:
Nov. 03, 2006
Applicants:
Holger Pitsch, Mainhausen, DE;
Josef Piroth, Mespelbrunn, DE;
Thomas Riedemann, Mömbris, DE;
Heike Riedemann, Mömbris, DE;
Ann Gray, Hanau, DE;
Frank Dieter Huenig, Karlstein, DE;
Inventors:
Holger Pitsch, Mainhausen, DE;
Josef Piroth, Mespelbrunn, DE;
Thomas Riedemann, Mömbris, DE;
Heike Riedemann, Mömbris, DE;
Ann Gray, Hanau, DE;
Frank Dieter Huenig, Karlstein, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/12 (2006.01); B01J 13/02 (2006.01); A61K 7/16 (2006.01);
U.S. Cl.
CPC ...
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.