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Foamable carriers

DC
  • US 8,722,021 B2
  • Filed: 03/06/2013
  • Issued: 05/13/2014
  • Est. Priority Date: 10/25/2002
  • Status: Expired due to Term
First Claim
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1. A foamable composition comprising a carrier and a liquefied or a compressed gas propellant, the carrier comprising:

  • i) about 0.1% to about 5% by weight of the carrier of a surface-active agent;

    ii) about 2% to about 75% by weight of the carrier of an organic solvent selected from the group consisting of an emollient, a polar solvent, an oil, and mixtures thereof;

    iii) about 0.01% to about 5% by weight of the carrier of at least one polymeric agent selected from the group consisting of a bioadhesive agent, a gelling agent, a film forming agent, and a phase change agent; and

    iv) water;

    wherein upon release from a foam dispenser, a foam is produced; and

    wherein the foam remains stable as a foam for at least 60 seconds at 37°

    C.

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