Patents by Inventor Witold Stanislaw Cieslinski

Witold Stanislaw Cieslinski 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).

  • SOLVATES OF DOCETAXEL
    Publication number: 20120071674
    Abstract: The present invention provides solvates of 4-acetoxy-2?-benzoyloxy-5?,20-epoxy-1,7?,10?-trihydroxy-9-oxo-tax-11-en-13?-yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate and C2-3-alkyl esters of formic acid, process of their preparation and their use in the synthesis of the pharmaceutically pure 4-acetoxy-2?-benzoyloxy-5?,20-epoxy-1,7?,10?-trihydroxy-9-oxo-tax-11-en-13?-yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate.
    Type: Application
    Filed: May 28, 2010
    Publication date: March 22, 2012
    Applicant: PRZEDSIEBIORSTWO PRODUKCYJNO-WDROZENIOWE IFOTAM SP. Z O.O.
    Inventor: Witold Stanislaw Cieslinski