Dermal barrier composition

  • US 6,582,683 B2
  • Filed: 01/04/2000
  • Issued: 06/24/2003
  • Est. Priority Date: 01/04/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A dermal composition for topical application comprising:

  • an emulsion comprising a mixture of polymers, (i), (ii) and (iii), each polymer having a size that allows for mixing and barrier properties, wherein the mixture of polymers comprises;

    (i) poly(methyl vinyl ether/maleic acid) provided in an amount of up to 69.6 wt.%, based on the weight of the mixture of polymers;

    (ii) at least 3 wt.%, based on the weight of the mixture of polymers, of poly(vinyl pyrrolidone/1-eiocosene);

    (iii) poly(vinyl pyrrolidone/1-hexadecene) provided in an amount of up to 51.5 wt. %, based on the weight of the mixture of polymers; and

    water.

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