Analgesic and anti-inflammatory patches for external use containing 4-biphenylylylacetic acid
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United States of America Patent
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Issued Date -
May 8, 2003
app pub date -
Aug 8, 2002
filing date -
Oct 1, 1999
priority date (Note) -
Abandoned
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Abstract
An aqueous hot melted type adhesive base material containing 4-biphenylyl acetic acid (BPAA) is provided. The adhesive base material contains constant amounts of BPAA and has good drug releasability, so that bioavailability of the drug is enhanced. An analgesic and anti-inflammatory external plaster containing BPAA is also provided. The plaster is obtained by dissolving BPAA into an aqueous hot melted type adhesive base material comprising as essential components a styrene-isoprene-styrene block copolymer, an adhesive resin, an antioxidant, lanolin, and water.
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