Patents by Inventor Sisir Bhattacharya

Sisir Bhattacharya 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).

  • NOVEL CRYSTALLINE FORMS OF TRANS-7-OXO-6-(SULPHOOXY)-1,6-DIAZABICYCLO[3,2,1]OCTANE-2-CARBOXAMIDE SODIUM SALT
    Publication number: 20170210742
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 27, 2017
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Veronique Ducandas, Alexandre Guiliani, Valerie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • Crystalline forms of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide sodium salt
    Patent number: 9580424
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: February 28, 2017
    Assignee: Forest Laboratories Holdings Limited
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • NOVEL CRYSTALLINE FORMS OF TRANS-7-OXO-6-(SULPHOOXY)-1,6-DIAZABICYCLO[3,2,1]OCTANE-2-CARBOXAMIDE SODIUM SALT
    Publication number: 20150246920
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Application
    Filed: May 13, 2015
    Publication date: September 3, 2015
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • Crystalline forms of trans-7-oxo-6-(sulphooxy)-1,6-Diazabicyclo[3,2,1]octane-2-carboxamide sodium salt
    Patent number: 9062053
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: June 23, 2015
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • COMPOSITIONS AND METHODS OF TREATMENT COMPRISING FOSFOMYCIN DISODIUM
    Publication number: 20150132382
    Abstract: The present invention provides compositions comprising fosfomycin or a pharmaceutically acceptable salt, solvate or prodrug thereof (e.g., fosfomycin disodium) alone or in combination with an antibacterial agent. The present invention provides methods of treating bacterial infections, which include administering an effective amount of fosfomycin or a pharmaceutically acceptable salt, solvate or a prodrug thereof (e.g., fosfomycin disodium) alone or in combination with an antibacterial agent.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 14, 2015
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya
  • NOVEL CRYSTALLINE FORMS OF TRANS-7-OXO-6-(SULPHOOXY)-1,6-DIAZABICYCLO[3,2,1]OCTANE-2-CARBOXAMIDE SODIUM SALT
    Publication number: 20140349967
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Application
    Filed: August 7, 2014
    Publication date: November 27, 2014
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • Crystalline forms of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide sodium salt
    Patent number: 8835455
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: September 16, 2014
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • NOVEL CRYSTALLINE FORMS OF TRANS-7-OXO-6-(SULPHOOXY)-1,6-DIAZABICYCLO[3,2,1]OCTANE-2-CARBOXAMIDE SODIUM SALT
    Publication number: 20130267480
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Application
    Filed: May 24, 2013
    Publication date: October 10, 2013
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Spargo
  • Crystalline forms of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide sodium salt
    Patent number: 8471025
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: June 25, 2013
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique Ducandas, Alexandre Giuliani, Valérie Ravaux, Alain Bonnet, Alain Priour, Peter Lionel Spargo
  • NOVEL CRYSTALLINE FORMS OF TRANS-7-OXO-6-(SULPHOOXY)-1,6-DIAZABICYCLO[3,2,1]OCTANE-2-CARBOXAMIDE SODIUM SALT
    Publication number: 20110152311
    Abstract: The present invention relates to novel crystalline forms of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) thereof. The present invention relates to compositions comprising a crystalline form of sodium salt of trans-7-oxo-6-(sulphooxy)-1,6-diazabicyclo[3,2,1]octane-2-carboxamide (e.g., NXL-104) alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil). Processes for the preparation of the crystalline forms and methods of treating bacterial infections by administering the crystalline forms alone or in combination with an antibacterial agent (e.g., ceftaroline fosamil) are also described.
    Type: Application
    Filed: October 8, 2010
    Publication date: June 23, 2011
    Inventors: Mahendra G. Dedhiya, Sisir Bhattacharya, Véronique DUCANDAS, Alexandre GIULIANI, Valérie RAVAUX, Alain BONNET, Alain PRIOUR, Peter Lionel Spargo