Sustained release dosage form based on highly plasticized cellulose ether gels
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United States of America Patent
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Sep 22, 1987
Grant Date -
N/A
app pub date -
Oct 9, 1984
filing date -
Oct 9, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transdermal pharmaceutical dosage form comprises (1) a gel matrix comprising a water-soluble cellulose ether homogeneously dispersed in a major amount of the weight of said gel matrix of a plasticizer for said cellulose ether, said gel matrix having dispersed therein a pharmaceutically active agent; (2) a non-porous covering and (3) means for adhering the dosage to the skin of a human or animal patient.
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