Patents by Inventor Sambasiva Rao Talasila

Sambasiva Rao Talasila 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).

  • AN IMPROVED PROCESS FOR THE PREPARATION OF REGORAFENIB
    Publication number: 20190300484
    Abstract: The present invention relates to an improved process for the preparation of Regorafenib with genotoxic impurities at well below threshold limit and high yield. The present invention also relates to an improved process for the preparation of regorafenib form-I with high purity.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 3, 2019
    Inventors: Pulla Reddy MUDDASANI, Shankar Reddy BUDIDETI, Srinivasachary CHINTALAPATI, Tirupathi KOTTE, Sambasiva Rao TALASILA, Venkaiah Chowdary NANNAPANENI
  • PROCESS FOR THE PREPARATION OF LANTHANUM CARBONATE DIHYDRATE
    Publication number: 20120058200
    Abstract: Present invention relates to a process for the preparation and pharmaceutical usage of dihydrate form of lanthanum carbonate. Present process produces lanthanum carbonate dihydrate (La2(CO3)3.2H2O) free of lanthanum hydroxycarbonate and is stable at ambient condition. Lanthanum carbonate dihydrate exhibit improved performance over standard lanthanum carbonate tetrahydrate in phosphate binding studies. Lanthanum carbonate dihydrate is useful for the treatment of hyperphosphataemia in patients with renal failure.
    Type: Application
    Filed: May 15, 2009
    Publication date: March 8, 2012
    Applicant: Natco Pharma Limited
    Inventors: Pulla Reddy Muddasani, Sambasiva Rao Talasila, Bhujanga Roa Adibhatla Kali Satya, Venkata Reddy Satti, Anil Kumar Lingamaneni, Venkaiah Chowdary Nannapaneni