Adhesive microsphere drug delivery composition
 Transdermal drug delivery compositions comprising pressure sensitive adhesive microspheres that contain a softening agent and/or a drug. Typically the microspheres contain at least 10 wt-% of a softening agent. The drug and/or softening agent can be incorporated into the microspheres during or after their formation. 
3M Innovative Properties Company
A A A C A C C
A61K A61K A61K C09J A61K C08L C08L
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Joaquin Chan U. Hye-ok Adam S. Thu-Van
Delgado Ko Choi Cantor Tran