Foundry binder systems containing an alkyl resorcinol and their use
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United States of America Patent
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May 6, 2003
Grant Date -
Mar 20, 2003
app pub date -
Feb 13, 2002
filing date -
Feb 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to an organic foundry binder containing an alkyl resorcinol, or preferably a readily available mixture of alkyl resorcinols, and derivatives thereof. Preferably, the organic foundry binder is a furan binder. Foundry mixes are prepared by mixing the binder with a foundry aggregate. Foundry shapes (molds and cores) are prepared by shaping the mix and allowing it to cure to form a workable foundry shape. The invention also relates to the preparation of metal castings using the foundry shapes and the metal castings prepared with the foundry shapes.
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