Patents by Inventor Jasna Dogan Koruznjak

Jasna Dogan Koruznjak 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).

  • Impurities of Donepezil
    Publication number: 20090298879
    Abstract: The present invention relates to impurities of donepezil, or a pharmaceutically acceptable salt thereof, which may be produced during synthesis and storage of donepezil, or a pharmaceutically-acceptable salt thereof, and to methods of identifying such impurities. The invention also relates to the use of these impurities in analytical techniques and to product that contain certain low levels of these impurities in particular the following impurities are disclosed: formula (I) and formula (II).
    Type: Application
    Filed: May 18, 2007
    Publication date: December 3, 2009
    Applicant: PLIVA Hrvatska d.o.o.
    Inventors: Irena Krizmanic, Lidija Lerman, Zrinka Samardzic, Katarzyna Kaczorowska, Andrzej Manikowski, Barbara Zioro, Ivica Grebenar, Jasna Dogan Koruznjak