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:
Jul. 10, 1990
Filed:
May. 08, 1989
Iain D Sommerville, Oakville, CA;
Francis L Kemeny, Pickering, CA;
Abstract
A process for treating metal comprises applying a positive DC potential to an ionic melt layer disposed on the surface of a liquid metal. The application of this potential provides a plasma phase above the ionic melt layer and induces a flow of electrons from the liquid metal towards the plasma phase. The ionic melt layer is capable of being maintained in a liquid state when it is in contact with the liquid metal. The process can be used either to remove impurities from the liquid metal, to alloy the liquid metal by adding metal compounds in the ionic melt layer, to recover metals from waste, or to perform a combination of these functions. An apparatus for treating liquid metals is also provided.