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Composites material with improved high viscosity fluid intake

  • US 6,869,670 B2
  • Filed: 05/31/2001
  • Issued: 03/22/2005
  • Est. Priority Date: 05/31/2001
  • Status: Expired due to Term
First Claim
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1. A composite material, comprising:

  • a first layer forming a plurality of apertures; and

    a substructure bonded to the first layer at a plurality of bonding locations to form a plurality of compartments, the first layer apertures forming fluid communication between the first layer and the substructure and the compartments entrapping particles contained within a fluid which passes.

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