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Method of selectively increasing the hydrophilicity of a web

  • US 6,254,736 B1
  • Filed: 08/31/1999
  • Issued: 07/03/2001
  • Est. Priority Date: 12/05/1997
  • Status: Expired due to Term
First Claim
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1. A method of selectively increasing the hydrophilicity of a web by corona treatment, comprising:

  • applying to the web a corona treatment;

    then applying a film of water to a selected area of the web to cause a reduction of the effect of said corona treatment on said selected area; and

    then removing the water by drying.

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