Patents by Inventor Sai Prasanna Ginjupalli

Sai Prasanna Ginjupalli 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 Telmisartan
    Publication number: 20090023932
    Abstract: The present invention encompasses a method for the preparation of Telmisartan comprises, through Telmisartan dihydrochloride comprises i) Condensing 4-Methyl-2-n-propyl-1H-benzimidazole-6-carboxylic acid with N-Methyl-O-phenylenediamine dihydrochloride to yields 4-methyl-6 (1-methyl benzimidazol-2-yl)-2-n-propyl 1H-benzimidazole ii) Treating 4-methyl-6-(1-methylbenzimidazol-2-yl)-2-n-propyl-1H-benzimidazole with 4?-(bromomethyl)-2-biphenyl-2-carboxylate in presence of a base in an organic solvent and isolating the ester as acid addition salt iii) Converting ester acid addition salt to Telmisartan dihydrochloride and iv) Converting Telmisartan dihydrochloride to Telmisartan.
    Type: Application
    Filed: July 19, 2006
    Publication date: January 22, 2009
    Applicant: MATRIX LABORATORIES LTD
    Inventors: Satyanarayana Chava, Seeta Ramanjaneyulu Gorantla, Sai Prasanna Ginjupalli