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:
Apr. 07, 1987
Filed:
Mar. 07, 1986
Applicant:
Inventors:
Kunihiko Ishizaka, Chiba, JP;
Fumio Sudo, Tokyo, JP;
Akira Seki, Funabashi, JP;
Yoshio Aso, Chiba, JP;
Assignees:
Kawasaki Steel Corporation, Kobe, JP;
Kawatetsu Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75257 ; 75 30 ; 75 53 ;
Abstract
A method of stabilizing a steel making slag composed mainly of dicalcium silicate is disclosed, which comprises adding a boron-containing mineral obtained by adjusting an amount of crystal water to 4-12% by weight, whereby the powdering of the slag is prevented in the cooling.