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:
Oct. 11, 1983
Filed:
Mar. 03, 1982
Applicant:
Inventor:
Shinichi Kurozu, Niihama, JP;
Assignee:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75 36 ; 75257 ;
Abstract
A method of producing reduced iron wherein pelletized materials are introduced into a furnace together with a reducing agent and a desulfurizing agent, and the pelletized materials are subjected to a reduction treatment. This method includes the step of maintaining the materials within the reducing atmosphere for at least an additional fifteen minutes once the metallization of the materials in the furnace has reached a value of 90 to 95 percent.
Kurozu, Shinichi. (1983). Method of producing low-sulfur, reduced, iron ore pellets (U.S. Patent No. 4409022). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4409022
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile