Flat System for Using in the Oral Cavity
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United States of America Patent
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Issued Date -
Dec 27, 2007
app pub date -
Feb 3, 2005
filing date -
Feb 3, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a flat system for using in the oral cavity, and to a method for the production thereof. Said system consists of at least one upper water-soluble covering layer and at least one lower water-soluble covering layer. At least one intermediate layer is provided between the upper and lower covering layers, said intermediate layer having a smaller surface area than the covering layers and being recessed along the edge of the flat system.
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Family
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