Patent ID: 7455654

Claim:
An apparatus for transdermally delivering nicotine-based agents to a nicotine user, comprising a microprojection member having a plurality of microprojections that are adapted to pierce said nicotine user's stratum corneum for bolus delivery of at least one nicotine-based agent, said microprojection member including a biocompatible coating having at least one nicotine-based agent; wherein a total amount of the nicotine-based agent coated on the microprojections is sufficient to effectively deliver in the range of approximately 0.02-2.0 mg of the agent to the nicotine user, and wherein the composition of the coating is selected to deliver at least 50% of the total amount of the nicotine-based agent coated on the microprojection into the skin of the user one hour or less following application of the microprojection member to the user's skin.