Patents by Inventor Bakthavachalam Ananthan

Bakthavachalam Ananthan 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).

  • Crystalline sodium salt of cephalosporin antibiotic
    Patent number: 8212024
    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 crystalline Ceftiofur sodium of formula (I).
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: July 3, 2012
    Assignee: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam Palanisamy Senthilkumar, Kanagaraj Suresh Kumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan
  • Crystalline Sodium Salt of Cephalosporin Antibiotic
    Publication number: 20080221076
    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 crystalline Ceftiofur sodium of formula (I).
    Type: Application
    Filed: October 12, 2006
    Publication date: September 11, 2008
    Applicant: ORCHID CHEMICALS AND PHARMACEUTICALS LIMITED
    Inventors: Udayampalayam Palanisamy Senthilkumar, Kanagaraj Suresh Kumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan
  • Process for the preparation of cephalosporin antibiotic
    Publication number: 20060094872
    Abstract: An improved process for the preparation of Ceftiofar sodium of formula (I) without isolating intermediate compound of formula (IV)
    Type: Application
    Filed: December 6, 2005
    Publication date: May 4, 2006
    Applicant: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam Senthilkumar, Kanagaraj Sureshkumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan