Patents by Inventor Darth M. Dunbar

Darth M. Dunbar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Transdermal administration of short or intermediate half-life benzodiazepines
    Patent number: 5378473
    Abstract: Method and laminated composite for administering short or intermediate half-life benzodiazepines such as alprazolam or triazolam transdermally to treat conditions such as anxiety in the case of alprazolam and insomnia in the case of triazolam. The composite comprises an impermeable backing layer and a reservoir layer containing the benzodiazepine and a permeation enhancer combined with a solvent-based acrylic polymer adhesive with the amounts of benzodiazepine and enhancer being sufficient to cause the benzodiazepine to pass through the skin at a rate in excess of about one .mu.g/cm.sup.2 /hr.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: January 3, 1995
    Assignee: Cygnus Therapeutic Systems
    Inventors: Kuldeepak Sharma, Darth M. Dunbar
  • Vegetable oil-based skin permeation enhancer compositions, and associated methods and systems
    Patent number: 5229130
    Abstract: Methods and compositions are provided which increase the permeability of skin to transdermally administered pharmacologically active agents. The compositions are formulated with one or more vegetable oils as skin permeation enhancers; a preferred composition contains both coconut oil and soybean oil. Drug delivery systems for administering drugs transdermally in combination with the vegetable oil-based enhancer compositions are provided as well.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Cygnus Therapeutics Systems
    Inventors: Kuldeepak Sharma, Eric J. Roos, Darth M. Dunbar
  • Transdermal administration of short or intermediate half-life benzodiazepines
    Patent number: 5225198
    Abstract: Method and laminated composite for administering short or intermediate half-life benzodiazepines such as alprazolamine or triazolam transdermally to treat conditions such as anxiety in the case of alprazolam and insomnia in the case of triazolam. The composite comprises an impermeable backing layer and a reservoir layer containing the benzodiazepine and a permeation enhancer combined with a solvent-based acrylic polymer adhesive with the amounts of benzodiazepine and enhancer being sufficient to cause the benzodiazepine to pass through the skin at a rate in excess of about one .mu.g/cm.sup.2 /hr.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: July 6, 1993
    Assignee: Cygnus Therapeutic Systems
    Inventors: Kuldeepak Sharma, Darth M. Dunbar