Patents by Inventor Tuula Hauta-Aho

Tuula Hauta-Aho 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).

  • Reference compound for use in the analysis of levosimendan batches
    Patent number: 6340764
    Abstract: A pyridazinyl derivative (I) and its use as a reference compound in the determination of potentially genotoxic impurities in levosimendan samples. An analytic method for the determination of potentially genotoxic impurities in levosimendan samples wherein (I) is used as a reference compound. Levosimendan is a medicament useful in the treatment of heart failure.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: January 22, 2002
    Assignee: Orion Corporation
    Inventors: Reijo Bäckström, Tuula Heinonen, Tuula Hauta-Aho