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US 5,332,781 AGranted
Storage-stable suspension of tougheners in epoxy resin hardeners
AssigneeCiba-Geigy Corporation
InventorsSameer H. Eldin, Robert P. Peyer, Frans Setiabudi
Life of this patent
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Abstract
Storage-stable suspension comprised of a solid or liquid epoxy resin hardener and a solid or liquid toughener suspended therein is distinguished by excellent homogeneous dispersion of the toughener in the epoxy resin hardener and are suitable for preparing suspensions of curable epoxy resin compositions.
Claims7
A storage-stable suspension consisting of a solid or liquid epoxy resin hardener and homogeneously dispersed therein particles of a toughener which does not contain groups that react with the hardener wherein the suspension is subsequently mixed with an epoxy resin.
Dependencies are inferred from the claim text.