Dosage forms comprising polymers comprising different molecular weights
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United States of America Patent
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Jul 5, 1994
Issued Date -
N/A
app pub date -
Sep 4, 1992
filing date -
Apr 22, 1991
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Abstract
A dosage form is disclosed comprising a wall surrounding a compartment, which comprises a first composition comprising a carboxymethylcellulose and a second composition comprising a higher molecular weight carboxymethylcellulose. The first composition comprises a dosage amount of drug that delivers from the dosage form at a controlled rate over time.
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