A dermally applicable patch adapted for application to the skin of the user to enable a transdermal administration to the bloodstream of a user. The patch comprises an outer layer which is impermeable to the passage of nicotine and an inner layer which may operate as a rate controlling membrane to allow...http://www.google.com.au/patents/US5016652?utm_source=gb-gplus-sharePatent US5016652 - Method and apparatus for aiding in the reduction of incidence of tobacco smoking
