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Activated carbon substrates

  • US 8,168,852 B2
  • Filed: 12/23/2004
  • Issued: 05/01/2012
  • Est. Priority Date: 12/23/2004
  • Status: Active Grant
First Claim
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1. A substrate that contains an odor control coating, the odor control coating comprising activated carbon, a binder, and a masking agent, wherein the binder comprises a water-soluble organic polymer and a polymer latex, wherein the polymer latex is sufficiently crosslinked to be substantially insoluble in water, and further wherein the masking agent comprises inorganic particles having an average size less than about 35 micrometers and the average size of the inorganic particles is less than the average size of the activated carbon.

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