Molding material mixtures containing barium sulfate

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United States of America Patent

PATENT NO 9931690
SERIAL NO

14405698

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Abstract

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The invention relates to molding material mixtures containing barium sulfate in combination with refractory basic molding materials and a waterglass-based binder system for producing casting molds and cores for the foundry industry in order to obtain cast pieces, in particular aluminum ones, which have an improved cast surface.

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Patent Owner(s)

Patent OwnerAddress
ASK CHEMICALS GMBHHILDEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deters, Heinz Düsseldorf, DE 11 56
Körschgen, Jörg Leichlingen, DE 4 10
Oberleiter, Martin Düsseldorf, DE 5 38

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