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SUBSTANTIALLY NON-AQUEOUS FOAMABLE PETROLATUM BASED PHARMACEUTICAL AND COSMETIC COMPOSITIONS AND THEIR USES

  • US 20080260655A1
  • Filed: 02/04/2008
  • Published: 10/23/2008
  • Est. Priority Date: 11/14/2006
  • Status: Abandoned Application
First Claim
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1. A non-aqueous, non-alcoholic foamable composition comprising:

  • a foamable carrier and at least one liquefied or compressed gas propellant, wherein the foamable carrier comprises;

    (1) a petrolatum or mixtures thereof at a concentration of about 25% to about 95% by weight;

    (2) a solvent substantially miscible in the petrolatum at a concentration of about 0% to about 70% by weight;

    (3) at least one foam agent selected from the group consisting of a surfactant, a surfactant system, a foam adjuvant and combinations thereof;

    at a concentration of about 0.1% to about 20% by weight;

    wherein, in the absence of the solvent, the petrolatum is present in the foamable carrier at a concentration of at least about 50% by weight;

    wherein, in the presence of the solvent;

    (i) the petrolatum is present in the foamable carrier at a concentration of at least about 25% by weight and the solvent and petrolatum are together present in the foamable carrier at a concentration of least about 55% by weight;

    or(ii) the amount of petrolatum is about the same as or in excess of the solvent and, together, the solvent and petrolatum are present in the foamable carrier at a concentration of at least about 80%;

    wherein the ratio of the foamable carrier to the propellant is 100;

    10 to 100;

    35;

    wherein the composition is substantially free of silicone; and

    wherein the composition is stored in an aerosol container and upon release expands to form a breakable foam.

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