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. 28, 2002
Filed:
Jan. 22, 2001
Applicant:
Inventors:
Stephen M. Olafson, Tucson, AZ (US);
G. Timothy Fisher, Tucson, AZ (US);
Michael J. Virnig, Tucson, AZ (US);
Assignee:
Cognis Corporation, Gulph Mills, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/08 ; C22B 3/30 ; C21B 1/500 ;
U.S. Cl.
CPC ...
C22B 3/08 ; C22B 3/30 ; C21B 1/500 ;
Abstract
Use of a mixture of a C9 alkylsalicylaldoxime and a ketoxime as an extractant in a water-immiscible organic solvent solution in a metal extraction circuit to enhance the transfer of iron values to a dilute acid wash solution when the metal loaded organic solvent/extractant solution is washed with the dilute acid wash solution.