Patents by Inventor Grzegroz Pietrzynski

Grzegroz Pietrzynski 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).

  • Patent number: 8389558
    Abstract: The present invention is directed to pharmaceutical compositions comprising bendamustine and one or more amphiphilic anionic compounds and self assembled aggregates, which aggregates exhibit enhanced stability in aqueous solutions, including plasma, are disclosed. The unexpectedly enhanced stability afforded by such aggregates permits patients to be treated with bendamustine in lower and/or with less frequent dosages or to improve its therapeutic effect while using the same as presently used treatment protocol.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: March 5, 2013
    Assignee: Supratek Pharma Inc.
    Inventors: Valery Alakhov, Grzegroz Pietrzynski, Patel Kishore, Thomasz Popek
  • Publication number: 20110015244
    Abstract: The present invention is directed to pharmaceutical compositions comprising bendamustine and one or more amphiphilic anionic compounds and self assembled aggregates, which aggregates exhibit enhanced stability in aqueous solutions, including plasma, are disclosed. The unexpectedly enhanced stability afforded by such aggregates permits patients to be treated with bendamustine in lower and/or with less frequent dosages or to improve its therapeutic effect while using the same as presently used treatment protocol.
    Type: Application
    Filed: July 19, 2010
    Publication date: January 20, 2011
    Inventors: Valery Alakhov, Grzegroz Pietrzynski, Patel Kishore, Thomasz Popek
  • Publication number: 20110015245
    Abstract: The present invention is directed to pharmaceutical compositions comprising bendamustine and one or more amphiphilic cationic compounds, which self assemble to form aggregates. The exhibiting enhanced stability in aqueous solutions, including plasma. The unexpectedly enhanced stability afforded by such aggregates permits patients to be treated with bendamustine in lower and/or with less frequent dosages or to improve its therapeutic effect while using the same as presently used treatment protocol.
    Type: Application
    Filed: July 19, 2010
    Publication date: January 20, 2011
    Inventors: Valery Alakhov, Grzegroz Pietrzynski, Patel Kishore, Thomasz Popek