Epoxy based oil free root canal sealer
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United States of America Patent
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app pub date -
Jul 31, 2007
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Sep 28, 2005
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Abstract
Epoxy polymers for dental use including the reaction product of a diepoxide oligomer and a bridged dipolyamine are described. The epoxy polymers include the reaction product of diepoxide oligomers comprised of bisphenol A diepoxide oligomers and/or bisphenol F diepoxide oligomers and bridged dipolyamine monomers having two polyamine regions and a hydrocarbon region of at least 28 carbon atoms.
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