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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.:

US 8920536 B1

PDFFull Text
Expired
Date of Patent:
Dec. 30, 2014

Filed:

Sep. 06, 2007

Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method

Applicants:

Tomohiro Akiyama, Sendai, JP;

Yuichi Hata, Sapporo, JP;

Sou Hosokai, Sapporo, JP;

Xinghe Zhang, Sapporo, JP;

Purwanto Hadi, Kurashiki, JP;

Junichiro Hayashi, Eniwa, JP;

Yoshiaki Kashiwaya, Sapporo, JP;

Hiroshi Uesugi, Yokohama, JP;

Inventors:

Tomohiro Akiyama, Sendai, JP;

Yuichi Hata, Sapporo, JP;

Sou Hosokai, Sapporo, JP;

Xinghe Zhang, Sapporo, JP;

Purwanto Hadi, Kurashiki, JP;

Junichiro Hayashi, Eniwa, JP;

Yoshiaki Kashiwaya, Sapporo, JP;

Hiroshi Uesugi, Yokohama, JP;

Assignees:

Bio Coke Lab. Ltd., Yokohama, JP;

Other;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Yoshitoshi Takeuchi

Int. Cl.
CPC ...
C21B 15/00 (2006.01); C22B 13/00 (2006.01); C22B 5/20 (2006.01); C21B 11/10 (2006.01); C22B 11/10 (2006.01); C10B 53/02 (2006.01); C22B 5/10 (2006.01); C21B 5/00 (2006.01); C22B 1/00 (2006.01); C22B 5/12 (2006.01); C21B 13/00 (2006.01); C21B 13/02 (2006.01);
U.S. Cl.
CPC ...
C22B 1/00 (2013.01); C10B 53/02 (2013.01); C22B 5/10 (2013.01); C21B 5/008 (2013.01); Y02E 50/14 (2013.01); C22B 5/12 (2013.01); C21B 13/0066 (2013.01); C21B 13/023 (2013.01); C21B 5/00 (2013.01); C21B 5/007 (2013.01);
Abstract

An ore containing crystal water (bond water) is heated to dehydrate the crystal water in the form of water vapor, thereby rendering the ore porous to generate a porous ore. Next, the porous ore is forced into contact with a dry-distilled gas (organic gas) obtained by dry-distillation of an organic substance such as wood and the like or an organic liquid such as tar and the like. An organic compound such as tar and the like contained in the dry-distilled gas or organic liquid adheres to the surface of the porous ore. Next, the porous ore adhered with an organic compound is heated at 500° C. or higher, to generate an ore in which a part of an oxide of an element such as iron and the like contained is reduced by carbon in the organic compound.

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Akiyama, Tomohiro. (2014). Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method (U.S. Patent No. 8920536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8920536

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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