Patents by Inventor Sureshkumar KANAGARAJ

Sureshkumar KANAGARAJ 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 PREPARATION OF CARBAPENEM ANTIBIOTIC
    Publication number: 20150038726
    Abstract: The present invention provides an improved process for the preparation Ertapenem monosodium of formula (I) having purity greater than 98.5% and having pharmaceutically acceptable level of palladium and residual solvent.
    Type: Application
    Filed: April 4, 2013
    Publication date: February 5, 2015
    Inventors: Senthilkumar Udayampalayam Palanisamy, Sureshkumar Kanagaraj, Nagesh Babu Kommoju, Syril Sudhan Henry, Pravin Kamaraj Ponraj, Suresh Thangaiyan
  • Crystalline sodium salt of cephalosporin antibiotic
    Patent number: 8470809
    Abstract: The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of novel polymorphs of crystalline Ceftiofur sodium of formula (I).
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: June 25, 2013
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Sureshkumar Kanagaraj, Sivakumar Balasubramanian, Senthilkumar Udayampalayam Palanisamy
  • Crystalline sodium salt of cephalosporin antibiotic
    Patent number: 8431562
    Abstract: Polymorphs of Ceftiofur sodium as a crystalline product and a process for the preparation of polymorphs of crystalline Ceftiofur sodium of formula (I).
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: April 30, 2013
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Senthilkumar Udayampalayam Palanisamy, Sivakumar Balasubramanian, Manimaran Arasappan, Meenakshi Sundaram Soma Sundaram, Sureshkumar Kanagaraj, Mohan Singaravel
  • PROCESS FOR THE PREPARATION OF CILASTATIN SODIUM
    Publication number: 20120253066
    Abstract: The present invention relates to an improved process for the preparation of Cilastatin Sodium of formula (I), having mesityl oxide content less than 2000 ppm and more than 1 ppm.
    Type: Application
    Filed: December 16, 2010
    Publication date: October 4, 2012
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LIMITED
    Inventors: Khadangale Bhausaheb Pandharinath, Kahandal Bhimraj Suryabhan, Suresh Pandian Pandi, Senthilkumar Udayampalayam Palanisamy, Sureshkumar Kanagaraj, Pandiarajan Sivasubramanian
  • PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC
    Publication number: 20120035357
    Abstract: The present invention relates to an improved process for the preparation of the carbapenem antibiotic of formula (I) or its salts, hydrates and esters. The present invention further provides novel crystalline form of compound of general formula (III), wherein R3 is p-nitrobenzyloxy carbonyl.
    Type: Application
    Filed: February 25, 2010
    Publication date: February 9, 2012
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LTD.
    Inventors: Sureshkumar Kanagaraj, Senthilkumar Udayampalayam Palanisamy, Maruthi Chandrasekhara Kishor Addanki, Vinod Babu Dasari, John Bosco John Peter, Karthikeyan Lakshmi Narayanan
  • CRYSTALLINE SODIUM SALT OF CEPHALOSPORIN ANTIBIOTIC
    Publication number: 20110136777
    Abstract: Polymorphs of Ceftiofur sodium as a crystalline product and a process for the preparation of polymorphs of crystalline Ceftiofur sodium of formula (I).
    Type: Application
    Filed: August 20, 2009
    Publication date: June 9, 2011
    Applicant: Orchid Chemicals and Pharmaceuticals Limited
    Inventors: Senthilkumar Udayampalayam Palanisamy, Sivakumar Balasubramanian, Manimaran Arasappan, Meenakshi Sundaram Soma Sundaram, Sureshkumar Kanagaraj, Mohan Singaravel
  • CRYSTALLINE SODIUM SALT OF CEPHALOSPORIN ANTIBIOTIC
    Publication number: 20110059933
    Abstract: The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of novel polymorphs of crystalline Ceftiofur sodium of formula (I).
    Type: Application
    Filed: October 13, 2010
    Publication date: March 10, 2011
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LIMITED
    Inventors: Sureshkumar KANAGARAJ, Sivakumar BALASUBRAMANIAN, Senthilkumar UDAYAMPALAYAM PALANISAMY