Patents by Inventor Julia Szeman

Julia Szeman 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).

  • Complexes and their compositions
    Patent number: 6432928
    Abstract: This invention provides inclusion complexes of Taxol ((2aR-(a&agr;,4&bgr;,4&agr;&bgr;,6&bgr;,9&agr;(&agr;R*,&bgr;S*),11&agr;,12&agr;,12a&agr;,12b&agr;))-&bgr;-(benzoylamino)-&agr;-hydroxy-benzene-propanoic acid 6,12-b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclo-deca-(3,4)-benz-(1,2-b)-oxeth-9-yl-ester)) or Taxotere (butoxycarbonyl-10-desacetyl-N-debenzoyl-Taxol) or Taxus extracts formed with a cyclodextrin derivative and a co-solvent. This invention relates to pharmaceutical composition with increased water-solubility and stability. This invention provides the process for the preparation of an inclusion complex of Taxol or Taxotere or a brevifolia extract of Taxus formed with a cyclodextrin derivative and a co-solvent.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: August 13, 2002
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Lajos Szente, Jozsef Szejtli, Maria Vikmon nee Kiraly, Julia Szeman