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:
Mar. 15, 2016
Filed:
Oct. 18, 2013
Applicant:
Drinkard Research and Development Corporation, Charlotte, NC (US);
Inventors:
William F. Drinkard, Charlotte, NC (US);
Hans J. Woerner, Charlotte, NC (US);
William M. Nixon, Charlotte, NC (US);
Assignee:
DEEPGREEN ENGINEERING, PTE. LTD., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 47/00 (2006.01); C22B 7/00 (2006.01); C22B 3/06 (2006.01); C22B 3/22 (2006.01); C22B 3/14 (2006.01); C01B 21/20 (2006.01); C22B 3/44 (2006.01); C22B 3/00 (2006.01); C22B 15/00 (2006.01);
U.S. Cl.
CPC ...
C22B 47/0063 (2013.01); C01B 21/20 (2013.01); C22B 3/06 (2013.01); C22B 3/065 (2013.01); C22B 3/14 (2013.01); C22B 3/22 (2013.01); C22B 3/44 (2013.01); C22B 7/007 (2013.01); C22B 7/008 (2013.01); C22B 13/04 (2013.01); C22B 15/0089 (2013.01); C22B 17/04 (2013.01); C22B 23/0461 (2013.01); C22B 47/00 (2013.01); C22B 47/0072 (2013.01); Y02P 10/234 (2015.11);
Abstract
An improved method for treating manganese-containing materials, such as nodules recovered by undersea mining, including reacting the materials with ammonia, and leaching with a mineral acid, and to methods for recovering valuable constituents from such nodules, especially manganese, cobalt, nickel, iron, copper, titanium, vanadium, cerium, and molybdenum. A method for the production of nitrate products is also disclosed.