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Viscosity stabilization of radiation-curable filled compositions

  • US 6,350,403 B1
  • Filed: 05/31/2000
  • Issued: 02/26/2002
  • Est. Priority Date: 07/21/1997
  • Status: Expired due to Term
First Claim
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1. A cured three-dimensional article that has been produced by stereolithocradhy and obtained by subjecting a radiation-curable composition to actinic radiation, said composition comprising a mixture of at least one cationically polymerizable compound and/or at least one radical polymerizable compound, at least one filler material, and at least one photoinitiator for caionic and/or radical polymerizations, in which an organic base stabilizer material is brought into contact with said composition in an effective amount to delay or prevent a significant increase in viscosity of the overall composition.

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