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. 20, 1982
Filed:
Jun. 09, 1980
Applicant:
Inventors:
Seikichi Tabei, Koriyama, JP;
Shigeo Sasaki, Koriyama, JP;
Assignee:
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75257 ; 75 53 ; 164173 ;
Abstract
An additive for continuous casting of steel comprising as a base material a neutral to basic amorphous fluorine-containing calcium silicate containing up to 10% by weight R.sub.2 O.sub.3, wherein R represents Al and F, and up to 1.5% by weight P.sub.2 O.sub.5 ; this additive prevents surface defects on billets and final products derived therefrom in continuous casting.