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. 02, 1977
Filed:
Dec. 24, 1975
Applicant:
Inventors:
David A Wohleber, Lower Burrell, PA (US);
C Norman Cochran, Oakmont, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ; C01F / ; C01F / ;
U.S. Cl.
CPC ...
423495 ; 423136 ; 423137 ; 423496 ; 423D / ;
Abstract
An improved method is disclosed for producing aluminum chloride by contacting aluminum oxide, a reducing agent, and chlorine in a molten bath of aluminum chloride and metal halide to form aluminum chloride which is recovered from the bath by sublimation. The improvement comprises increasing the rate of formation of aluminum chloride by adding a source of metal selected from the group consisting of iron, chromium, copper, europium and cerium to the molten bath.