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. 19, 1987
Filed:
May. 02, 1986
Applicant:
Inventors:
Donald J Hansen, Lewiston, NY (US);
John B Goddard, Grand Island, NY (US);
Oreste J Malacarne, Grand Junction, CO (US);
Assignee:
U.S. Vanadium Corp., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
7510 / ; 423 68 ;
Abstract
Vanadium is recovered from vanadium-containing ores that have been roasted in the presence of a sodium source through heap leaching with an aqueous leaching solution so that high grade leach liquors can be obtained.