Patents by Inventor Elena I. Kostik

Elena I. Kostik 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).

  • Polymorphs of N-Malonyl-Bis(N'-Methyl-N'-Thiobenzoylhydrazide)
    Publication number: 20110196025
    Abstract: At least 70% by weight of Compound 1 is the single crystalline form, Form A, Form C, or Form D, of the compound. A pharmaceutical composition comprises a pharmaceutically acceptable carrier or diluent, and compound 1, wherein at least 70% by weight of the compound is the single crystalline form, Form A, Form C, or Form D, of the compound. A method of treating a subject with cancer comprises administering to the subject an effective amount of compound 1 or the pharmaceutical composition.
    Type: Application
    Filed: November 28, 2008
    Publication date: August 11, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Elena I. Kostik, Lijun Sun, Joanna Dziewiszek, Jun Y. Choi
  • Purification of bis(thiohydrazide amides)
    Patent number: 7645904
    Abstract: Disclosed herein are methods of purifying a bis(thio-hydrazide amides) compounds of the following structural formula: wherein R1, R2, R3, R4, R7, R8, Z, and Y are defined herein.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: January 12, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Zhi-Qiang Xia, Elena I. Kostik, Keizo Koya, Lijun Sun
  • Purification of bis (thiohydrazide amides)
    Publication number: 20080146842
    Abstract: Disclosed herein are methods of purifying a bis(thio-hydrazide amides) compounds of the following structural formula: wherein R1, R2, R3, R4, R7, R8, Z, and Y are defined herein.
    Type: Application
    Filed: September 14, 2007
    Publication date: June 19, 2008
    Inventors: Shoujun Chen, Zhi-Qiang Xia, Elena I. Kostik, Keizo Koya, Lijun Sun