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Multicomponent depth odor control filter and method of manufacture

  • US 5,951,744 A
  • Filed: 11/04/1997
  • Issued: 09/14/1999
  • Est. Priority Date: 12/23/1994
  • Status: Expired due to Term
First Claim
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1. A filter using a fiber mat for removal of molecules from a fluid stream comprising:

  • a plurality of elongated fibers, each having a longitudinally extending internal cavity including an opening from the internal cavity to the outer fiber surface, disposed to form the fiber mat;

    a fine powder, having an affinity for molecules to be removed from the fluid stream, made from particles which are smaller than the opening disposed and retained within the internal cavities of said plurality of elongated fibers;

    a plurality of large carbon particles attached to one side of the fiber mat; and

    ,a liquid chemisorptive agent, having an affinity for molecules to be removed from the fluid stream, disposed to a shallow depth on the other side of the fiber mat.

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