Patents Examined by Dunc Truong
  • Composition and method enhancing transdermal electrotransport agent delivery
    Patent number: 5668170
    Abstract: A composition comprises an agent to be delivered through a body surface and an electrotransport enhancer having a hydrophobic tail and a polar head of specific characteristics. An electrotransport delivery device is also provided having a reservoir comprising the agent to be delivered and the electrotransport enhancer of the invention. The electrotransport enhancers increase the electrotransport delivery rate of the agent through the surface while reducing the electrical resistance of the surface during electrotransport of the agent.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: September 16, 1997
    Assignee: ALZA Corporation
    Inventor: J. Richard Gyory