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:
Jul. 27, 2010
Filed:
Nov. 08, 2002
Applicants:
Joerg Heilek, Bammental, DE;
Dieter Baumann, Walldorf, DE;
Bernd Eck, Viernheim, DE;
Ulrich Hammon, Mannheim, DE;
Klaus Joachim Mueller-engel, Stutensee, DE;
Inventors:
Joerg Heilek, Bammental, DE;
Dieter Baumann, Walldorf, DE;
Bernd Eck, Viernheim, DE;
Ulrich Hammon, Mannheim, DE;
Klaus Joachim Mueller-Engel, Stutensee, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 29/88 (2006.01); B01D 33/70 (2006.01); B01D 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for separating crystals from their suspension in contaminated crystal melt with purification, in which a hydraulic wash column has distributor aids in a distributor space.