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. 21, 1987
Filed:
Jan. 28, 1986
Masao Fujishige, Yatabemachi, JP;
Harumi Yokokawa, Yatabemachi, JP;
Seiichi Ujiie, Yatabemachi, JP;
Masayuki Dokiya, Yatabemachi, JP;
Agency of Industrial Science and Technology, Tokyo, JP;
Abstract
The present invention provides a method of refining aluminum, according to which oxygen gas is blown into a carbon material filled in a blast furnace to form simultaneously both combustion regions where combustion of the carbon material takes place and high-temperature reduction regions spaced apart from said combustion region, and an alumina-containing material and a flux are fed on the carbon material fill layer to form a melt of a mixture of the both, the formed melt being flowed down to the reduction regions to form a crude aluminum alloy, which is hydrogenated.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile