Patents Assigned to Nuetrogena Corporation
  • Hydroquinone composition having enhanced bio-availability and percutaneous adsorption
    Patent number: 4678663
    Abstract: A new and improved vehicle for delivering pharmaceutical ingredients to the human skin in a manner whereby the bioavailability, subcutaneous adsorption, and effectiveness of the active ingredient are remarkably enhanced. The vehicle comprises a volatile silicone, a fatty alcohol having from 12-22 carbon atoms, a preselected active ingredient; and such preservatives or emulsifying agents as may be warranted.
    Type: Grant
    Filed: February 6, 1984
    Date of Patent: July 7, 1987
    Assignee: Nuetrogena Corporation
    Inventors: Richard A. Scott, Mitchell S. Wortzman, Eric Jungermann