Facemasks containing an anti-fog/anti-glare composition

Facemasks containing an anti-fog/anti-glare composition

  • CN 1,893,843 B
  • Filed: 06/10/2004
  • Issued: 08/08/2012
  • Est. Priority Date: 12/18/2003
  • Status: Active Grant
First Claim
Patent Images

1. face shield that comprises base material;

  • Its floating coat exists at least one surface of this base material;

    This coating comprises one or more organic polymers;

    Wherein said organic polymer constitutes the 90wt% at least of said coating, and wherein said one or more organic polymers comprise cellulose ether, and the thickness of said coating is the 50-250 nanometer.

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