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Composite gel-foam air freshener

  • US 5,034,222 A
  • Filed: 03/01/1990
  • Issued: 07/23/1991
  • Est. Priority Date: 03/01/1990
  • Status: Expired due to Fees
First Claim
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1. A solid composite air freshening article comprising:

  • (a) a gelled phase, comprising up to about 25% water, about 55-80% of an organic solvent, an effective amount of up to about 30% of a first volatile air freshening ingredient, and an effective amount of up to about 20% of a gelling agent; and

    (b) a granular foam phase, comprising about 5-20 mesh granules of a hydrophilic polyurethane foam incorporating a second volatile air freshening ingredient, a foam-structuring surfactant and a solid filler material;

    wherein said granular foam phase is dispersed throughout said gelled phase in a weight ratio of about 1;

    2-20 so as to provide for the sustained release of an effective air-freshening amount of said volatile air freshening ingredients from said article.

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