Fast dissolving films for oral administration of drugs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 21, 2004
app pub date -
Dec 23, 2003
filing date -
Dec 30, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A dosage unit comprises a substrate comprising a first polymer; a deposit, including an active ingredient; and a cover layer comprising a second polymer, wherein the cover layer covers the deposit and is joined to the first surface of the substrate by a bond that encircles the deposit and wherein at least one of the first and second polymers is a graft co-polymer. The dosage unit wherein said first and second polymers may be the same, and also the graft co-polymer may be a polyvinyl alcohol-polyethylene glycol graft co-polymer. Also disclosed is a dosage unit wherein the deposit is formed on the substrate by electrostatic dry drug deposition. The dosage unit may also include a polymer that is a graft co-polymer; and an active ingredient, and the graft co-polymer may be polyvinyl alcohol-polyethylene glycol.
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