Patents by Inventor Risto Järnström

Risto Järnström 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).

  • Composition for transdermal delivery of drugs
    Patent number: 6254883
    Abstract: A pharmaceutical composition for the controlled transdermal delivery of a drug containing a combination of a drug and an ion exchanger group to a carrier, and a pharmaceutically acceptable salt that is able to control the release of the drug from the ion exchanger, in which the carrier is a textile fiber. According to a preferred embodiment the drug is tacrine or its pharmaceutically acceptable salt.
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: July 3, 2001
    Assignee: Novagent Oy
    Inventors: Risto Järnström, Jouni Hirvonen