Magnesium oxide powder for workable, rapid-setting phosphate-containing cement compositions

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United States of America Patent

PATENT NO 4758278
SERIAL NO

06936106

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Abstract

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A storable magnesium oxide/phosphate based cement having a delayed set time is provided by heating iron-containing magnesium oxide particles at an elevated temperature to provide magnesium ferrate in a gradient that increases to a maximum at the external particle surface.

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Patent Owner(s)

Patent OwnerAddress
E I DU PONT DE NEMOURS AND COMPANY A CORP OF DEWILMINGTON DE 19898

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tomic, Ernst A Wilmington, DE 3 45

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