Patents by Inventor Naama Chasid

Naama Chasid 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).

  • Process for the synthesis of 9-hydroxy risperidone (paliperidone)
    Patent number: 7915412
    Abstract: The present invention relates to a process for preparing paliperidone from its intermediate 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: March 29, 2011
    Assignee: Teva Pharmaceutical Industries, Ltd.
    Inventors: Santiago Ini, Naama Chasid, Yaron Shmuely, Kobi Chen
  • Processes for preparing crystal forms of 9-hydroxy-risperidone (paliperidone)
    Publication number: 20090270620
    Abstract: The present invention is related to processes for the preparation of paliperidone crystalline Form II. The invention also provides a paliperidone crystalline Form II containing isopropyl alcohol, and processes for preparing the same.
    Type: Application
    Filed: November 26, 2008
    Publication date: October 29, 2009
    Inventors: Santiago Ini, Naama Chasid, Ron Bar-shavit, Ronen Levinshtein, Eli Lancry
  • Pure paliperidone and processes for preparing thereof
    Publication number: 20080281100
    Abstract: The present invention provides pure paliperidone comprising less than about 0.1%, preferably less than about 0.05% and more preferably less than about 0.02%, impurity X as well as purification processes to obtain thereof.
    Type: Application
    Filed: February 14, 2008
    Publication date: November 13, 2008
    Inventors: Santiago INI, Naama CHASID, Kobi CHEN, Osnat PORTER-KLEKS
  • Crystal forms of 9-hydroxy-risperidone (paliperidone)
    Publication number: 20080177067
    Abstract: The present invention provides amorphous and crystalline forms of Paliperidone, and processes for preparing thereof.
    Type: Application
    Filed: August 14, 2007
    Publication date: July 24, 2008
    Inventors: Ben-Zion Dolitzky, Santiago Ini, Naama Chasid, Yaron Shmuely, Kobi Chen, Eli Lancry
  • Pure paliperidone and processes for preparing thereof
    Publication number: 20080171876
    Abstract: The present invention provides pure paliperidone as well as purification processes to obtain thereof.
    Type: Application
    Filed: August 14, 2007
    Publication date: July 17, 2008
    Inventors: Santiago Ini, Naama Chasid, Kobi Chen, Osnat Porter-Kleks
  • Process for the synthesis of 9-hydroxy risperidone (paliperidone)
    Publication number: 20080171875
    Abstract: The present invention relates to a process for preparing paliperidone from its intermediate 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one.
    Type: Application
    Filed: August 14, 2007
    Publication date: July 17, 2008
    Inventors: Santiago Ini, Naama Chasid, Yaron Shmuely, Kobi Chen