C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 139/06 (2006.01) A61K 9/70 (2006.01) A61L 15/58 (2006.01) C09J 123/22 (2006.01) C09J 139/04 (2006.01) C09J 171/02 (2006.01)
Patent
CA 2447302
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.
L'invention concerne une composition adhésive contenant à la fois une phase hydrophobe et une phase hydrophile, ladite phase hydrophobe étant composée d'une composition polymère hydrophobe réticulée, et la phase hydrophile étant un mélange absorbant l'eau d'un polymère hydrophile et d'un oligomère complémentaire susceptible de réticuler ledit polymère hydrophile par l'intermédiaire d'une liaison hydrogène, d'une liaison ionique, et/ou d'une liaison covalente. On utilise cette composition comme bioadhésif afin de fixer des systèmes de distribution de médicaments, des pansements, des bandages, des coussinets, ou analogues sur une surface corporelle telle que la peau ou un tissu mucosal.
Bairamov Danir F.
Cleary Gary W.
Feldstein Mikhail M.
Kulichikhin Valery G.
A.v. Topchiev Institute Of Petrochemical Synthesis
Battison Williams Dupuis
Corium International
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