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Aromatic package

  • US 4,961,493 A
  • Filed: 12/13/1989
  • Issued: 10/09/1990
  • Est. Priority Date: 12/27/1988
  • Status: Expired due to Fees
First Claim
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1. An aromatic package for creating an aroma comprising:

  • an aromatic substance for creating an aroma as said substance evaporates, said aromatic substance comprising a liquid solvent, and an aromatic agent dissolved in said solvent so that a solution of said solvent and said agent is formed;

    a sealed sack for containing said aromatic substance, said sack comprising a gas-permeable and liquid-impermeable polyurethane film 30 to 500 microns thick adapted to hold said substance and sealed to prevent the loss of said substance in nongaseous form from said sack when said sack is held in any position, while allowing the aroma created by said substance to permeate through said film; and

    a case for holding said sack containing said aromatic substance, said case having a multiplicity of pores so that the aroma permeating through said film is released from said case.

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