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:
Aug. 17, 2010
Filed:
May. 19, 2009
Applicants:
Hiroshi Sanui, Kai, JP;
Yuji Nomura, Kai, JP;
Hidetoshi Ohta, Kofu, JP;
Shoji Sekihara, Kawasaki, JP;
Inventors:
Hiroshi Sanui, Kai, JP;
Yuji Nomura, Kai, JP;
Hidetoshi Ohta, Kofu, JP;
Shoji Sekihara, Kawasaki, JP;
Assignee:
Taiyo Nippon Sanso Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A molten metal treatment consisting of a liquid mixture in which fluorinated ketone is dissolved in liquid carbon dioxide at 0.01 to 10 wt % is put in a container, and the molten metal treatment is vaporized, and is fed as a cover gas to be contacted with the surface of a molten metal.