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. 22, 1978
Filed:
May. 19, 1977
Applicant:
Inventor:
Yoshishige Tsumura, Tokyo, JP;
Assignee:
Mitsui Aluminum Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ;
U.S. Cl.
CPC ...
204 67 ;
Abstract
Disclosed herein is a process for producing aluminum of high purity by the steps of electrolyzing an electrolytic bath composed preponderantly of aluminum chloride or aluminum bromide for thereby educing aluminum on the cathode, causing the cathodic product of electrolysis to precipitate to the bottom of the electrolytic cell, then melting the precipitate to produce molten aluminum, casting the molten aluminum into ingots and cooling the ingots.