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:
Oct. 31, 2006
Filed:
Jul. 18, 2002
Applicants:
Matthias Rauls, Limburgerhof, DE;
Richard Van Gelder, Speyer, DE;
Katrin Wagner, Mannhein, DE;
Harald Bernard, Wachenheim, DE;
Inventors:
Matthias Rauls, Limburgerhof, DE;
Richard van Gelder, Speyer, DE;
Katrin Wagner, Mannhein, DE;
Harald Bernard, Wachenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 25/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for crystallizing small particles with a narrow particle size distribution. The crystals of the invention are obtained by introducing ultrasound into a solution or suspension of the substance to be crystallized while simultaneously adjusting a particular specific stirring power.