Bisphenol-containing resin coating articles and methods of using same
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United States of America Patent
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Jun 17, 1997
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N/A
app pub date -
Mar 28, 1995
filing date -
Mar 28, 1995
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Abstract
Proppants comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Foundry sands comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Methods of making and using these proppant particles in subterranean formations or making and using these foundry sands in foundries are also disclosed.
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