Internally-coated porous webs with controlled positioning of modifiers therein

  • US 5,869,172 A
  • Filed: 05/17/1995
  • Issued: 02/09/1999
  • Est. Priority Date: 03/14/1988
  • Status: Expired due to Term
First Claim
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1. An article comprising a porous web that has been treated with a curable, shear thinnable, thixotropic polymeric material and with one or more modifiers, said material being at least partially cured, said modifiers being selectively positioned within the web, and at least some of the pores of said web being open.

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