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:
Aug. 15, 1989
Filed:
Nov. 25, 1987
Applicant:
Inventors:
Derek J Fray, Cambridge, GB;
Alan J Godsell, Cambridge, GB;
Assignee:
National Research Development Corporation, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C25C / ; C25C / ; C25C / ;
U.S. Cl.
CPC ...
204 / ; 204 / ; 204 70 ; 204 71 ; 204140 ; 204 67 ; 204284 ; 75 63 ;
Abstract
Powdered FeMn alloy is leached with liquid bismuth, which alloys preferentially with the manganese to form liquid BiMn alloy, leaving behind iron powder. The BiMn is then electrorefined; an anode 1 selectively ionises the manganese, which is carried to the cathode 3 where it is reduced to the metal and collected in a stream of molten aluminium as AlMn master alloy.