发明名称 |
Method for making foundry sand containing a resin binder |
摘要 |
Methods for making foundry sand containing a binder by combining a dried powdered carboxylated polymer, partially in its salt form, with dry or wet foundry sand free of binder.
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申请公布号 |
US4847309(A) |
申请公布日期 |
1989.07.11 |
申请号 |
US19880171179 |
申请日期 |
1988.03.18 |
申请人 |
ROEHM GMBH |
发明人 |
KLESSE, WOLFGANG;AUER, HEINZ-JOCHEN;QUIS, PETER |
分类号 |
B22C1/20;B22C1/22;C08J3/12 |
主分类号 |
B22C1/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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