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:
Feb. 21, 2012
Filed:
Feb. 17, 2005
Applicants:
Karsten Keller, Hockessin, DE (US);
Christopher M. Rey, Hockessin, DE (US);
Benjamin Fuchs, Karlsruhe, DE;
Christian Hoffmann, Newark, DE (US);
Inventors:
Karsten Keller, Hockessin, DE (US);
Christopher M. Rey, Hockessin, DE (US);
Benjamin Fuchs, Karlsruhe, DE;
Christian Hoffmann, Newark, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/00 (2006.01); B01D 35/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to an improved cake-filtration solid-liquid separation process wherein the improvement comprises simultaneously subjecting the solid-liquid mixture to a homogeneous magnetic field, a magnetic field gradient or both and cake-filtration to accomplish separation.