Patents Assigned to Apotex Technologies Inc.
  • Patent number: 9550733
    Abstract: Provided are compounds of Formula I which are derivatives of 3-Hydroxypyridin-4-ones. The compounds may be used in treatment of a medical condition related to a toxic concentration of iron. The compounds may be used for preparation of a medicament for treatment of a medical condition related to a toxic concentration of iron. The medical condition related to a toxic concentration of iron may be selected from the group consisting of: cancer, pulmonary disease, progressive kidney disease and Friedreich's ataxia.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: January 24, 2017
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Tao Xin, Birenkumar Shah, Blaise N'Zemba, Jolanta Maria Wodzinska, Maryna Premyslova
  • Patent number: 9073865
    Abstract: Provided are compounds of Formula I which are derivatives of 3-Hydroxypyridin-4-ones. The compounds may be used in treatment of a medical condition related to a toxic concentration of iron. The compounds may be used for preparation of a medicament for treatment of a medical condition related to a toxic concentration of iron. The medical condition related to a toxic concentration of iron may be selected from the group consisting of: cancer, pulmonary disease, progressive kidney disease and Frederich's Ataxia.
    Type: Grant
    Filed: July 5, 2010
    Date of Patent: July 7, 2015
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Tao Xin, Birenkumar Shah, Blaise N'Zemba, Jolanta Maria Wodzinska, Maryna Premyslova
  • Patent number: 8735602
    Abstract: The present invention relates to pharmaceutically acceptable crystalline and amorphous salts of D-isoglutamyl-D-tryptophan as well as processes for their manufacture, pharmaceutical compositions comprising them, and their uses in the preparation of pharmaceutical compositions for the treatment of various conditions and/or diseases. In particular, the present invention relates to D-isoglutamyl-D-tryptophan potassium salt (1:1), D-isoglutamyl-D-tryptophan lithium salt (1:1), D-isoglutamyl-D-tryptophan calcium salt (2:1), D-isoglutamyl-D-tryptophan magnesium salt (2:1), and D-isoglutamyl-D-tryptophan organic ammonium salts (1:1).
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: May 27, 2014
    Assignee: Apotex Technologies inc.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Patent number: 8703156
    Abstract: An oral pharmaceutical liquid formulation comprising deferiprone and a taste masking composition, said taste masking composition comprising an effective amount of a sweetener (such as sucralose) per liter of liquid composition, an effective amount of a thickening and suspension aid, (for example hydroxyethylcellulose), per liter of liquid composition, an effective amount of a humectant (such as glycerin) per liter of liquid composition, and an effective amount of at least one flavoring agent, wherein a final form of said taste-masked pharmaceutical has a substantially non-bitter and palatable taste.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: April 22, 2014
    Assignee: Apotex Technologies Inc.
    Inventors: Michael Spino, Anita Hui, Cihua Yang, Mohammed N. Kabir
  • Patent number: 8673943
    Abstract: The present invention relates to novel derivatives of deferiprone. In particular, the present invention relates to fluorinated derivatives of deferiprone or pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising same, processes for the manufacture thereof and their use in the treatment of neurodegenerative diseases caused by the presence of free iron or iron accumulation in neural tissues and in diseases wherein excess iron must be removed or redistributed.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: March 18, 2014
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao
  • Patent number: 8664262
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 1 (polymorphic form F) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: March 4, 2014
    Assignee: Apotex Technologies inc.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Patent number: 8592607
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 1 (polymorphic form F) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: November 26, 2013
    Assignee: Apotex Technologies inc.
    Inventors: Tim Fat Tam, Blaise N′Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Patent number: 8507449
    Abstract: A process for making pure crystalline D-isoglutamyl-D-tryptophan is provided which includes the step of deprotecting essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan or its diester to yield essentially pure D-isoglutamyl-D-tryptophan. A process is also provided for the preparation of pure mono ammonium salt of D-isoglutamyl-D-tryptophan from essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan. D-isoglutamyl-D-tryptophan, ammonium salt (1:1) is a stable pharmaceutical solid.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: August 13, 2013
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Patent number: 8481588
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 2 (polymorphic form I) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: July 9, 2013
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Patent number: 8476235
    Abstract: A process for making pure crystalline D-isoglutamyl-D-tryptophan is provided which includes the step of deprotecting essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan or its diester to yield essentially pure D-isoglutamyl-D-tryptophan. A process is also provided for the preparation of pure mono ammonium salt of D-isoglutamyl-D-tryptophan from essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan. D-isoglutamyl-D-tryptophan, ammonium salt (1:1) is a stable pharmaceutical solid.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: July 2, 2013
    Assignee: Apotex Technologies Inc.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Publication number: 20130072692
    Abstract: The present invention relates to pharmaceutically acceptable crystalline and amorphous salts of D-isoglutamyl-D-tryptophan as well as processes for their manufacture, pharmaceutical compositions comprising them, and their uses in the preparation of pharmaceutical compositions for the treatment of various conditions and/or diseases. In particular, the present invention relates to D-isoglutamyl-D-tryptophan potassium salt (1:1), D-isoglutamyl-D-tryptophan lithium salt (1:1), D-isoglutamyl-D-tryptophan calcium salt (2:1), D-isoglutamyl-D-tryptophan magnesium salt (2:1), and D-isoglutamyl-D-tryptophan organic ammonium salts (1:1).
    Type: Application
    Filed: March 19, 2012
    Publication date: March 21, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Publication number: 20130059791
    Abstract: A process for making pure crystalline D-isoglutamyl-D-tryptophan is provided which includes the step of deprotecting essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan or its diester to yield essentially pure D-isoglutamyl-D-tryptophan. A process is also provided for the preparation of pure mono ammonium salt of D-isoglutamyl-D-tryptophan from essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan. D-isoglutamyl-D-tryptophan, ammonium salt (1:1) is a stable pharmaceutical solid.
    Type: Application
    Filed: February 20, 2012
    Publication date: March 7, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Blaise N'ZEMBA, Regis LEUNG-TOUNG, Yingsheng WANG, Yanqing ZHAO, Lily YU
  • Publication number: 20130060048
    Abstract: A process for making pure crystalline D-isoglutamyl-D-tryptophan is provided which includes the step of deprotecting essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan or its diester to yield essentially pure D-isoglutamyl-D-tryptophan. A process is also provided for the preparation of pure mono ammonium salt of D-isoglutamyl-D-tryptophan from essentially pure N-tert-butoxycarbonyl-D-isoglutamyl-D-tryptophan. D-isoglutamyl-D-tryptophan, ammonium salt (1:1) is a stable pharmaceutical solid.
    Type: Application
    Filed: February 20, 2012
    Publication date: March 7, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Blaise N'ZEMBA, Regis LEUNG-TOUNG, Yingsheng WANG, Yanqing ZHAO, Lily YU
  • Publication number: 20130045929
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 1 (polymorphic form F) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Application
    Filed: June 7, 2012
    Publication date: February 21, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Blaise N'ZEMBA, Regis LEUNG-TOUNG, Yingsheng WANG, Yanqing ZHAO, Lily YU
  • Publication number: 20130045930
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 2 (polymorphic form I) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Application
    Filed: June 7, 2012
    Publication date: February 21, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Blaise N'ZEMBA, Regis LEUNG-TOUNG, Yingsheng WANG, Yanqing ZHAO, Lily YU
  • Publication number: 20130023569
    Abstract: There is provided use of orally available or topically applied deferiprone for prevention of iron-induced eye damage. The use may be for preparation of a medicament or in a method of preventing iron-induced eye damage to an eye of a subject at risk for iron-induced eye damage, the method comprising administering a prophylactically effective amount of deferiprone to the subject. There is also provided the use of deferiprone for treatment of iron-related eye disorders. The use may be for preparation of a medicament or in a method of treatment of damage to an eye of a having eye damage associated with iron, the method comprising topically administering a therapeutically effective amount of deferiprone to the subject.
    Type: Application
    Filed: November 12, 2009
    Publication date: January 24, 2013
    Applicants: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, APOTEX TECHNOLOGIES INC.
    Inventors: Michael Spino, Joshua Lawrence Dunaief
  • Publication number: 20130005987
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 1 (polymorphic form F) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Application
    Filed: June 7, 2012
    Publication date: January 3, 2013
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Blaise N'ZEMBA, Regis LEUNG-TOUNG, Yingsheng WANG, Yanqing ZHAO, Lily YU
  • Publication number: 20120270882
    Abstract: Provided are compounds of Formula I which are derivatives of 3-Hydroxypyridin-4-ones. The compounds may be used in treatment of a medical condition related to a toxic concentration of iron. The compounds may be used for preparation of a medicament for treatment of a medical condition related to a toxic concentration of iron. The medical condition related to a toxic concentration of iron may be selected from the group consisting of: cancer, pulmonary disease, progressive kidney disease and Frederich's Ataxia.
    Type: Application
    Filed: July 5, 2010
    Publication date: October 25, 2012
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat Tam, Regis Leung-Toung, Yingsheng Wang, Yangqing Zhao, Tao Xin, Birenkumar Shah, Blaise N'zemba, Jolanta Maria Wodzinska, Maryna Premyslova
  • Patent number: 8207217
    Abstract: The present invention relates to crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan, pharmaceutical compositions comprising them, their use in the treatment of various diseases and conditions, and processes for their preparation. In particular, the present invention relates the crystal modification 1 (polymorphic form F), the crystal modification 2 (polymorphic form I), and the crystal modification 3 (polymorphic form X) of the mono-sodium salt of D-isoglutamyl-D-tryptophan.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: June 26, 2012
    Assignee: Apotex Technologies Inc
    Inventors: Tim Fat Tam, Blaise N'Zemba, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Lily Yu
  • Publication number: 20120157387
    Abstract: Provided are compounds which are prodrugs of D-gamma-glutamyl-D-tryptophan, methods of making the compounds and methods for using the compounds.
    Type: Application
    Filed: February 20, 2012
    Publication date: June 21, 2012
    Applicant: APOTEX TECHNOLOGIES INC.
    Inventors: Tim Fat TAM, Regis Leung-Toung, Yingsheng Wang, Yanqing Zhao, Tao Xin, Wanren Li, Jolanta Maria Wodzinska, Vrajlal S. Rabadia, Birenkumar Shah, Christopher John Feeney