Two-phase, water-absorbent bioadhesive composition
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United States of America Patent
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Oct 12, 2004
Grant Date -
Jul 10, 2003
app pub date -
May 1, 2002
filing date -
May 1, 2001
priority date (Note) -
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Abstract
An adhesive composition is provided that contains both a hydrophobic phase and a hydrophilic phase, wherein the hydrophobic phase is composed of a crosslinked hydrophobic polymer composition and the hydrophilic phase is a water-absorbent blend of a hydrophilic polymer and a complementary oligomer capable of crosslinking the hydrophilic polymer through hydrogen bonding, ionic bonding, and/or covalent bonding. The composition is useful as a bioadhesive, for affixing drug delivery systems, wound dressings, bandages, cushions, or the like to a body surface such as skin or mucosal tissue.
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