Patents by Inventor Natalia Shenkar

Natalia Shenkar 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).

  • Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof
    Patent number: 8063211
    Abstract: The present invention provides rosuvastatin and intermediates thereof having a low level of alkylether impurity and processes for the preparation thereof.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: November 22, 2011
    Assignee: Teva Pharmaceutical Industries, Ltd.
    Inventors: Valerie Niddam-Hildesheim, Anna Balanov, Natalia Shenkar
  • Crystalline rosuvastatin intermediate
    Patent number: 7868169
    Abstract: Provided is a crystalline rosuvastatin intermediate and processes for preparation thereof.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: January 11, 2011
    Assignee: Teva Pharmaceutical Industries, Ltd.
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Shlomit Wizel
  • DIASTEREOMERIC PURIFICATION OF ROSUVASTATIN
    Publication number: 20100197916
    Abstract: The invention relates to diastereomerically pure rosuvastatin and processes for preparing diastereomerically pure rosuvastatin and its intermediates.
    Type: Application
    Filed: February 2, 2010
    Publication date: August 5, 2010
    Inventors: Valerie NIDDAM-HILDESHEIM, Natalia SHENKAR, Kobi CHEN, Anna BALANOV
  • Crystalline ziprasidone HCl and processes for preparation thereof
    Patent number: 7678799
    Abstract: Provided is crystalline ziprasidone HCl and processes for preparation thereof.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: March 16, 2010
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Anna Balanov, Judith Aronhime, Boaz Gome, Tamas Koltai, Natalia Shenkar, Marioara Mendelovici, Ehud Amir
  • Processes for preparation of ziprasidone
    Patent number: 7667037
    Abstract: Provided are processes for preparing ziprasidone from CEI and BIPT.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: February 23, 2010
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Gideon Pilarsky, Natalia Shenkar, Marioara Mendelovici, Tamar Nidam, Anna Balanov
  • Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof
    Patent number: 7612203
    Abstract: The present invention provides rosuvastatin and intermediates thereof having a low level of alkylether impurity and processes for the preparation thereof.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: November 3, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Valerie Niddam-Hildesheim, Anna Balanov, Natalia Shenkar
  • Processes for the synthesis of O-desmethylvenlafaxine
    Patent number: 7605290
    Abstract: The present invention describes processes for the preparation of O-desmethylvenlafaxine and tridesmethylvenlafaxine, which may be used as an intermediate in preparing O-desmethylvenlafaxine.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: October 20, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Sharona Shachan-Tov
  • Diastereomeric purification of rosuvastatin
    Patent number: 7582759
    Abstract: The invention relates to diastereomerically pure rosuvastatin and processes for preparing diastereomerically pure rosuvastatin and its intermediates.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: September 1, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Kobi Chen, Anna Balanov
  • Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof
    Publication number: 20090209567
    Abstract: The present invention provides rosuvastatin and intermediates thereof having a low level of alkylether impurity and processes for the preparation thereof.
    Type: Application
    Filed: March 11, 2009
    Publication date: August 20, 2009
    Inventors: Valerie Niddam-Hildesheim, Anna Balanov, Natalia Shenkar
  • Diastereomeric purification of rosuvastatin
    Publication number: 20090187026
    Abstract: The invention relates to diastereomerically pure rosuvastatin and processes for preparing diastereomerically pure rosuvastatin and its intermediates.
    Type: Application
    Filed: February 26, 2009
    Publication date: July 23, 2009
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Kobi Chen, Anna Balanov
  • Processes for the synthesis of O-desmethylvenlafaxine
    Publication number: 20090062572
    Abstract: The present invention describes processes for the preparation of O-desmethylvenlafaxine and the intermediates cyclohexylbenzylcyanide and tridesmethylvenlafaxine, which may be used as intermediates in preparing O-desmethylvenlafaxine.
    Type: Application
    Filed: July 26, 2007
    Publication date: March 5, 2009
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Tamar Nidam
  • Processes for the synthesis of O-desmethylvenlafaxine
    Publication number: 20080139849
    Abstract: The present invention describes processes for the preparation of O-desmethylvenlafaxine and tridesmethylvenlafaxine, which may be used as an intermediate in preparing O-desmethylvenlafaxine.
    Type: Application
    Filed: July 26, 2007
    Publication date: June 12, 2008
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Sharona Shachan-Tov
  • Crystalline ziprasidone HCI and processes for preparation thereof
    Publication number: 20070238738
    Abstract: Provided is crystalline ziprasidone HCl and processes for preparation thereof.
    Type: Application
    Filed: May 16, 2007
    Publication date: October 11, 2007
    Inventors: Anna Balanov, Judith Aronhime, Boaz Gome, Tamas Koltai, Natalia Shenkar, Marioara Mendelovici, Ehud Amir
  • Diastereomeric purification of rosuvastatin
    Publication number: 20070191436
    Abstract: The invention relates to diastereomerically pure rosuvastatin and processes for preparing diastereomerically pure rosuvastatin and its intermediates.
    Type: Application
    Filed: September 12, 2006
    Publication date: August 16, 2007
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Kobi Chen, Anna Balanov
  • Preparation of rosuvastatin
    Publication number: 20070167625
    Abstract: Provided are processes for preparing intermediates of rosuvastatin and their use in preparation of rosuvastatin and rosuvastatin salts thereof.
    Type: Application
    Filed: October 4, 2006
    Publication date: July 19, 2007
    Inventors: Anna Balanov, Natalia Shenkar, Valerie Niddam-Hildesheim
  • Crystalline rosuvastatin intermediate
    Publication number: 20070123550
    Abstract: Provided is a crystalline rosuvastatin intermediate and processes for preparation thereof.
    Type: Application
    Filed: August 16, 2006
    Publication date: May 31, 2007
    Inventors: Valerie Niddam-Hildesheim, Natalia Shenkar, Shlomit Wizel
  • Preparation of rosuvastatin
    Publication number: 20070037979
    Abstract: Provided are processes for preparing intermediates of rosuvastatin and their use in preparation of rosuvastatin and rosuvastatin salts thereof.
    Type: Application
    Filed: February 22, 2006
    Publication date: February 15, 2007
    Inventors: Valerie Niddam-Hildesheim, Anna Balanov, Natalia Shenkar, Shalom Shabat, Dalia Maidan-Hanoch
  • Rosuvastatin and salts thereof free of rosuvastatin alkylether and a process for the preparation thereof
    Publication number: 20060258882
    Abstract: The present invention provides rosuvastatin and intermediates thereof having a low level of alkylether impurity and processes for the preparation thereof.
    Type: Application
    Filed: February 22, 2006
    Publication date: November 16, 2006
    Inventors: Valerie Niddam-Hildesheim, Anna Balanov, Natalia Shenkar
  • Process for preparing olmesartan medoxomil AT pH higher than 2.5
    Publication number: 20060148870
    Abstract: The present invention provides a process for preparing olmesartan medoxomil at pH higher than 2.5.
    Type: Application
    Filed: September 2, 2005
    Publication date: July 6, 2006
    Inventors: Lilach Hedvati, Gideon Pilarsky, Natalia Shenkar-Garcia
  • Processes for preparation of ziprasidone
    Publication number: 20050143397
    Abstract: Provided are processes for preparing ziprasidone from CEI and BIPT.
    Type: Application
    Filed: October 25, 2004
    Publication date: June 30, 2005
    Inventors: Gideon Pilarsky, Natalia Shenkar, Marioara Mendelovici, Tamar Nidam, Anna Balanov