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:
Feb. 03, 1987
Filed:
Mar. 13, 1986
Applicant:
Inventor:
John B Goddard, Grand Island, NY (US);
Assignee:
U.S. Vanadium Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423 68 ; 423 63 ; 423 67 ;
Abstract
A process is provided for the recovery of vanadium values from vanadium-bearing residues, such as fly ash, boiler ash and scrubber residues from the combustion of crude oil fractions. The process employs a combination of alkaline metal bases, such as sodium carbonate and sodium hydroxide.