Appeal No. 95-0954
Application 08/058,092
THE INVENTION
Appellant claims a biodegradable air freshener and odor
neutralizer which breaks down in the presence of water and is
comprised of a substantially dry, rigid, open-celled foam
vegetable starch substrate which carries a liquid fragrance.
Appellant also claims methods for making the air freshener and
using it to freshening air. Claims 1, 7 and 16 are
illustrative and read as follows:
1. A biodegradable air freshener and odor neutralizer
that breaks down in the presence of water to minimize solid
waste, the air freshener comprising:
a water soluble substrate substantially comprising a
substantially dry, rigid, open-celled foam consisting
essentially of vegetable starch; and
a liquid fragrance carried in the substrate.
7. A method of making an air freshener comprising the
steps of:
providing a water soluble substrate made of a
substantially dry, rigid, open-celled foam consisting
essentially of vegetable starch; and
introducing liquid fragrance to be absorbed into the
substrate.
16. A method of freshening the air comprising the steps
of:
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