Volume-expandable, sheet-like application form suitable as an active substance carrier, in particular for oral application
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United States of America Patent
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Nov 28, 2000
Grant Date -
N/A
app pub date -
Dec 6, 1996
filing date -
Jun 7, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A volume-expandable, sheet-like application form suitable as an active substance carrier, in particular for oral application, in the form of a film comprising a mixture of fillers, cleansers, cosmetics, or active substances, film formers, and softeners has portions of a highly absorbent hydrogel former which swells on contact with water and assumes several times its original volume.
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