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:
Dec. 02, 2014
Filed:
May. 24, 2011
Applicants:
Charles R. Marston, Midland, MI (US);
Matthew Rodgers, Midland, MI (US);
Inventors:
Charles R. Marston, Midland, MI (US);
Matthew Rodgers, Midland, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/42 (2006.01); C22B 23/00 (2006.01); B01D 15/36 (2006.01); B01D 15/04 (2006.01); C22B 3/00 (2006.01); C22B 15/00 (2006.01);
U.S. Cl.
CPC ...
C22B 23/0453 (2013.01); C22B 15/0089 (2013.01); C22B 23/0484 (2013.01); C22B 3/42 (2013.01);
Abstract
The present invention relates to a process for the recovery of cobalt comprising: (i) providing a high tenor cobalt solution wherein the high tenor cobalt solution comprises cobalt and nickel; (ii) contacting the high tenor cobalt solution with an N-(2-hydroxypropyl)picolylamine resin to load the N-(2-hydroxypropyl)picolylamine resin with cobalt and nickel; (iii) eluting the cobalt from the loaded N-(2-hydroxypropyl)picolylamine resin; and (iv) eluting the nickel from the loaded N-(2-hydroxypropyl)picolylamine resin.