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:
May. 27, 2003
Filed:
Jun. 25, 2001
Applicant:
Inventors:
Hannu Laitala, Kauniainen, FI;
Sipilä Jussi, Espoo, FI;
Assignee:
Outokumpu Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/100 ;
U.S. Cl.
CPC ...
B01D 1/100 ;
Abstract
A method and cell for reducing the size of a solvent extraction process in which a series of cells are arranged in an extraction process. The process includes the use of conventional settlers at the beginning and at the end of the extraction process with at least one reduced-size extraction cell in the middle of the extraction process.