Patents by Inventor Slavik Yurkovski

Slavik Yurkovski 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).

  • FORMS OF LAPATINIB DITOSYLATE AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20120289701
    Abstract: The present invention provides novel polymorphs of lapatinib ditosylate, processes for preparing them, and pharmaceutical compositions comprising one or more of these polymorphs.
    Type: Application
    Filed: July 24, 2012
    Publication date: November 15, 2012
    Inventors: Leonid METSGER, Ariel MITTELMAN, Slavik YURKOVSKI
  • Forms of lapatinib ditosylate and processes for preparation thereof
    Patent number: 8252805
    Abstract: The present invention provides novel polymorphs of lapatinib ditosylate, processes for preparing them, and pharmaceutical compositions comprising one or more of these polymorphs.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: August 28, 2012
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Leonid Metsger, Ariel Mittelman, Slavik Yurkovski
  • Crystalline forms of tigecycline and processes for preparation thereof
    Patent number: 8198469
    Abstract: The present invention provides crystalline forms of Tigecycline, and methods of for preparation of crystalline forms and amorphous.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: June 12, 2012
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Evgeny Tsiperman, Sofia Gorohovsky-Rosenberg, Slavik Yurkovski, Sergei Fine, Tamás Koltai, Sigalit Levi, Leonid Metsger, Michal Rafilovich
  • Crystalline form II of tigecycline and processes for preparation thereof
    Patent number: 8198470
    Abstract: The present invention provides processes for the preparation of crystalline forms of Tigecycline.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: June 12, 2012
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Sigalit Levi, Michal Rafilovich, Sofia Gorohovsky-Rosenberg, Slavik Yurkovski, Sergei Fine, Leonid Metsger, Evgeny Tsiperman
  • LAPATINIB INTERMEDIATES
    Publication number: 20100197915
    Abstract: The invention provides lapatinib intermediates and improved processes for preparing lapatinib intermediates. The invention also provides processes for preparing lapatinib base and lapatinib ditosylate.
    Type: Application
    Filed: August 6, 2009
    Publication date: August 5, 2010
    Inventors: Leonid METSGER, Slavik YURKOVSKI, Sofia GOROHOVSKY-ROSENBERG, Noa KIPNIS, Dikla LAVY
  • CRYSTALLINE FORM II OF TIGECYCLINE AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20100152142
    Abstract: The present invention provides processes for the preparation of crystalline forms of Tigecycline.
    Type: Application
    Filed: December 1, 2008
    Publication date: June 17, 2010
    Inventors: Sigalit Levi, Michal Rafilovich, Sofia Gorohovsky-Rosenberg, Slavik Yurkovski, Sergei Fine, Leonid Metsger, Evgeny Tsiperman
  • FORMS OF LAPATINIB COMPOUNDS AND PROCESSES FOR THE PREPARATION THEREOF
    Publication number: 20100087459
    Abstract: The present invention provides novel crystalline and amorphous lapatinib compounds and processes for preparing them
    Type: Application
    Filed: August 26, 2009
    Publication date: April 8, 2010
    Inventors: Leonid METSGER, Ariel MITTELMAN, Slavik YURKOVSKI
  • FORMS OF CRYSTALLINE LAPATINIB AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20090306106
    Abstract: The present invention provides new crystalline forms of lapatinib base, Form X and Form Y, and amorphous lapatinib base, pharmaceutical compositions comprising the new crystalline forms of lapatinib base, and/or the amorphous lapatinib base, and processes for their preparation.
    Type: Application
    Filed: May 7, 2009
    Publication date: December 10, 2009
    Inventors: Leonid METSGER, Ariel MITTELMAN, Slavik YURKOVSKI
  • FORMS OF LAPATINIB DITOSYLATE AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20090281315
    Abstract: The present invention provides novel polymorphs of lapatinib ditosylate, processes for preparing them, and pharmaceutical compositions comprising one or more of these polymorphs.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 12, 2009
    Inventors: Leonid METSGER, Ariel MITTELMAN, Slavik YURKOVSKI
  • Crystalline forms of tigecycline and processes for preparation thereof
    Publication number: 20090005453
    Abstract: The present invention provides crystalline forms of Tigecycline, and methods of for preparation of crystalline forms and amorphous.
    Type: Application
    Filed: November 29, 2007
    Publication date: January 1, 2009
    Inventors: Evgeny Tsiperman, Sofia Gorohovsky-Rosenberg, Slavik Yurkovski, Sergei Fine, Tamas Koltai, Sigalit Levi, Leonid Metsger, Michal Rafilovich
  • Processes for preparation of 9-haloacetamidominocyclines
    Publication number: 20080234504
    Abstract: The present invention provides substantially pure intermediates, 9-haloacetomidominocyclines, and process of preparing them that are useful for the preparation of glycylcyclines, specifically Tigecycline.
    Type: Application
    Filed: November 30, 2007
    Publication date: September 25, 2008
    Inventors: Evgeny Tsiperman, Sofia Gorohovsky, Slavik Yurkovski, Sergei Fine, Tamas Koltai, Judith Aronhime
  • Processes for purification of tigecycline
    Publication number: 20080214869
    Abstract: The invention is directed to improved processes of purifying tigecycline.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 4, 2008
    Inventors: Sergei Fine, Slavik Yurkovski, Sofia Gorohovsky-Rosenberg, Evgeny Tsiperman
  • Methods for reducing 7/9-nitrotetracycline derivatives
    Publication number: 20080146843
    Abstract: The invention is directed to processes for the reduction of tetracycline intermediates having a NO2 group.
    Type: Application
    Filed: May 10, 2007
    Publication date: June 19, 2008
    Applicant: Teva Pharmaceutical Industries Ltd.
    Inventors: Evgeny Tsiperman, Sergei Fine, Sofia Gorohovsky, Slavik Yurkovski