Patents by Inventor Ganapathy Veeramani

Ganapathy Veeramani 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
    Patent number: 8293894
    Abstract: A process for the preparation of a carbapenem of formula (I): in amorphous form wherein R represents hydrogen or COOM and M represents hydrogen or sodium the process including condensing a compound of formula (II): wherein P? denotes a carboxy protecting group, with a compound of formula (III): wherein P? denotes a carboxy protecting group, in the presence of a base to yield a compound of formula (IV): deprotecting both the protecting groups in the compound of formula (IV) in the presence or absence of a sodium ion source, a solvent and in the presence or absence of CO2, gas, extracting the product into an aqueous medium, quenching the aqueous layer of into an alcohol at a temperature, and isolating the carbapenem compound of formula (I) in amorphous form.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: October 23, 2012
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Andrew Gnanaprakasam, Nagappan Arumugam, Palanisamy Senthilkumar Udayampalayam, Pandi Suresh Pandian, Venugopal Sivasankaran, Ganapathy Veeramani, Henry Syril Sudhan, Gollapalli Venkateswara Rao
  • AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC
    Publication number: 20090312539
    Abstract: The present invention provides a process for the preparation of the carbapenem antibiotic of formula (I) or its salt in amorphous form. Formula (I) wherein R represents hydrogen or COOM and M represents hydrogen or sodium.
    Type: Application
    Filed: November 20, 2007
    Publication date: December 17, 2009
    Applicant: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Andrew Gnanaprakasam, Nagappan Arumugam, Palanisamy Senthilkumar Udayampalayam, Pandi Suresh Pandian, Venugopal Sivasankaran, Ganapathy Veeramani, Henry Syril Sudhan, Gollapalli Venkateswara Rao