Patent ID: 8445010

Claim:
A system for reducing potential for substance abuse from a skin-worn transdermal patch device containing residual amounts of an abusable substance after administration to a first user, said system comprising: (a) an anti-abuse layer containing an amount of an anti-abuse substance for said abusable substance in said patch device selected from the group consisting of co-soluble antagonists, irritants and combinations thereof disposed in said patch device; (b) an abusable substance layer containing an amount of said abusable substance in said patch device spaced from said layer containing said anti-abuse substance; (c) a separator membrane situated between said abusable substance layer and said anti abuse layer preventing contact therebetween; and (d) a connector configured to automatically remove said separator membrane from said patch upon detachment of said patch device from a user thereby allowing said anti abuse layer to contact said abusable substance layer.