Patents by Inventor Rolf R. Jansen

Rolf R. Jansen 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).

  • MULTILAYER DRUG DELIVERY SYSTEM WITH BARRIER AGAINST RESERVOIR MATERIAL FLOW
    Publication number: 20140130973
    Abstract: A multilayered drug delivery system with a barrier suitable for delivery of drug through an individual's body surface. By placing a barrier between two adjacent layers, unintended drug flow due to migration of a drug matrix between the adjacent matrix layers in the system to a patient is avoided.
    Type: Application
    Filed: January 21, 2014
    Publication date: May 15, 2014
    Applicant: Alza Corporation
    Inventors: Rolf R. Jansen, Dina J. Coronado
  • Multilayer drug delivery system with barrier against reservoir material flow
    Patent number: 8632800
    Abstract: A multilayered drug delivery system with a barrier suitable for delivery of drug through an individual's body surface. By placing a barrier between two adjacent layers, unintended drug flow due to migration of a drug matrix between the adjacent matrix layers in the system to a patient is avoided.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: January 21, 2014
    Assignee: ALZA Corporation
    Inventors: Rolf R. Jansen, Dina J. Coronado