Method for producing metal powder

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United States of America Patent

PATENT NO 11426791
APP PUB NO 20190314893A1
SERIAL NO

16461739

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Abstract

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A method for producing a metal powder provided on the surface thereof with a glassy thin film, wherein a glassy substance is produced in the vicinity of the surface of the metal powder by spray pyrolysis from a solution that contains a thermally decomposable metal compound and a glass precursor that produces a glassy substance that does not form a solid solution with the metal produced from the metal compound by thermal decomposition, so as to form the metal powder provided on the surface thereof with the glassy thin film. The glass precursor is prepared such that the melting temperature TmM of the metal and the liquid phase temperature TmG of the mixed oxide of the glassy substance satisfy the following formula (1):

description='In-line Formulae' end='lead'−100 [° C.]≤(TmM−TmG)≤500 [° C.]  (1).description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
SHOEI CHEMICAL INCTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwasaki, Mineto Tosu, JP 8 72
Kimura, Tetsuya Tosu, JP 204 1397

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