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:
Sep. 13, 1994
Filed:
Dec. 18, 1992
Applicant:
Inventors:
Assignees:
Heraeus Elektrochemie GmbH, Hanau am Main, US;
Moltech Invent SA, Luxembourg, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ; C25D / ;
U.S. Cl.
CPC ...
205231 ; 204 / ; 204 71 ; 205230 ;
Abstract
Neodymium and neodymium-iron alloys are obtained by electrolysis of a neodymium salt melt using magnetite as the anode material. The cathode is non-consumable or is made of iron to be consumed and form a neodymium-iron alloy. The electrolysis is preferably carried out under a protective atmosphere.