Patents by Inventor Agnieszka Wojtkielewicz

Agnieszka Wojtkielewicz 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).

  • Saponin compounds, methods of preparation thereof, use thereof and pharmaceutical compositions
    Patent number: 8552161
    Abstract: This invention relates to novel saponin compounds of formula II wherein MBz denotes p-methoxybenzoyl, and R is selected from the group comprising C6-10 aryl, C6-10 aryl-C1-4 alkyl-, C1-18 alkanoyl, C3-18 alkenyl, C6-10 aryl-C(O)—, C6-10 aryl-C1-4 alkyl-C(O)—, wherein each of the groups can optionally be substituted. These compounds possess a selective cytostatic activity, useful, e.g., in the treatment of proliferative diseases. The invention further relates to methods of preparation of the novel compounds and to a pharmaceutical composition containing these compounds.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: October 8, 2013
    Assignees: Uniwersytet W Bialymstoku, Univerzita Palackeho V Olomouci, Bioapex, S.R.O.
    Inventors: Jacek Witold Morzycki, Agnieszka Wojtkielewicz, Jana Oklestkova, Lucie Hoffmannova, Miroslav Strnad
  • Novel Saponin Compounds, Methods of Preparation Thereof, Use Thereof and Pharmaceutical Compositions
    Publication number: 20110311652
    Abstract: This invention relates to novel saponin compounds of formula II wherein MBz denotes p-methoxybenzoyl, and R is selected from the group comprising C6-10 aryl, C6-10 aryl-C1-4 alkyl-, C1-18 alkanoyl, C3-18 alkenyl, C6-10 aryl-C(O)—, C6-10 aryl-C1-4 alkyl-C(O)—, wherein each of the groups can optionally be substituted. These compounds possess a selective cytostatic activity, useful, e.g., in the treatment of proliferative diseases. The invention further relates to methods of preparation of the novel compounds and to a pharmaceutical composition containing these compounds.
    Type: Application
    Filed: February 8, 2010
    Publication date: December 22, 2011
    Inventors: Jacek Witold Morzycki, Agnieszka Wojtkielewicz, Jana Oklestkova, Lucie Hoffmannova, Miroslav Strnad