Patents by Inventor Raveendra Chinta

Raveendra Chinta 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 Preparing Telmisartan
    Publication number: 20070287840
    Abstract: A process for preparing telmisartan and intermediates formed in the process.
    Type: Application
    Filed: October 18, 2005
    Publication date: December 13, 2007
    Inventors: Sundaram Venkataraman, Vijayavitthal Thippannachar Mathad, Srirami Kikkuru, Srinivasan Neti, Raveendra Chinta, Muthulingam Arunagiri, Lalitha Routhu
  • ESZOPICLONE PROCESS
    Publication number: 20070054914
    Abstract: Eszopiclone is prepared by reacting zopiclone with an enatiomerically pure di-p-toluoyl tartaric acid, recovering a solid salt, and reacting a solid salt with a base. Zopiclone is prepared by reacting 6-(5-chloropyrid-2-yl)-5-hydroxy-7-oxo-5,6-dihydropyrrolo[3,4-b]-pyrazine with 1-chlorocarbonyl-4-methylpiperazine hydrochloride.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 8, 2007
    Inventors: Venkata Naga Brahmeswara Mandava, Sreenadhacharyulu Kandala, Mukunda Jambula, Raveendra Chinta