Patents by Inventor Hannu K. Sundquist

Hannu K. Sundquist 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).

  • Tri-phenyl alkene derivatives and their preparation and use
    Patent number: 5491173
    Abstract: The invention provides novel compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different are H or OH, R.sub.3 is ##STR2## wherein R.sub.4 and R.sub.5, which can be the same or different are H or an alkyl group of 1 to 4 carbon atoms, and their non-toxic pharmaceutically acceptable salts and esters and mixtures thereof, which compounds include metabolites of toremifene and exhibit valuable pharmacological properties as oestrogenic, anti-oestrogenic, and progestanic agents.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: February 13, 1996
    Assignee: Orion-yhtyma Oy
    Inventors: Reijo J. Toivola, Arto J. Karjalainen, Kauko O. A. Kurkela, Marja-Liisa Soderwall, Lauri V. M. Kangas, Guillermo L. Blanco, Hannu K. Sundquist, Arja Kalapudas
  • Tri-phenyl alkane derivatives and their oestrogenic, anti-oestrogenic and progestanic uses
    Patent number: 4996225
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: February 26, 1991
    Assignee: Farmos Group Ltd.
    Inventors: Reijo J. Toivola, Arto J. Karjalainen, Kauko O. A. Kurkela, Marja-Liisa Soderwall, Lauri V. M. Kangas, Guillermo L. Blanco, Hannu K. Sundquist