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Soluble material and process for three-dimensional modeling

  • US 7,754,807 B2
  • Filed: 07/26/2004
  • Issued: 07/13/2010
  • Est. Priority Date: 04/20/1999
  • Status: Active Grant
First Claim
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1. A feedstock for making a support structure for a three-dimensional object using an additive processing technique, the feedstock having a composition comprising at least one plasticizer and at least one copolymer, wherein each of the at least one copolymer is derived from monomers comprising at least one carboxylic acid and at least one alkyl methacrylate, wherein the composition is soluble in an alkaline aqueous solution, and wherein the feedstock has a filament geometry configured to be received by a filament-fed extrusion system configured to make the support structure in coordination with the three-dimensional object using the additive processing technique.

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