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:
Jun. 11, 2013
Filed:
Feb. 22, 2012
Applicants:
Michael Virnig, Tucson, AZ (US);
Jack Bender, Corona de Tucson, AZ (US);
Nathan C. Emmerich, Tucson, AZ (US);
Inventors:
Michael Virnig, Tucson, AZ (US);
Jack Bender, Corona de Tucson, AZ (US);
Nathan C. Emmerich, Tucson, AZ (US);
Assignee:
Cognis IP Management GmbH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are methods using ketoximes and/or aldoximes, including 3-methyl-5-alkylsalicylaldoxime and/or 3-methyl-5-alkyl-2-hydroxyacetophenone oxime, in reagent compositions for metal extraction/isolation. One such method is of extracting a metal from a nitrate-containing aqueous solution. Another such method is of extracting a metal from an aqueous ammoniacal solution. A third method is of multi-metal extraction based on a predetermined pH.