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:
Feb. 15, 1977
Filed:
May. 05, 1975
Applicant:
Inventors:
Yasushi Nakamura, Tokyo, JA;
Michihisa Itou, Tokyo, JA;
Takamasa Ohno, Hikari, JA;
Hidetake Ishikawa, Kitakyushu, JA;
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; B23K / ;
U.S. Cl.
CPC ...
148 131 ; 148 23 ; 148126 ;
Abstract
Cr alloy, Mn alloy or Mo alloy can be dephosphorized and denitrified simultaneously with a flux newly prepared. The flux comprises metallic Ca, Mg, Ba or Sr and halides thereof. There is no loss of valuable alloying component in this method.