Patents by Inventor Pavan Kumar Seethamraju

Pavan Kumar Seethamraju 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 AND POLYMORPHIC FORMS OF BICTEGRAVIR AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS OR CO-CRYSTALS THEREOF
    Publication number: 20220306650
    Abstract: The present invention generally relates to polymorphic forms of bictegravir, its salts, co-crystals, solvates or hydrates thereof and process for the preparation of the same and also relates to pharmaceutical compositions containing the same. The present invention also relates to a process for preparation of bictegravir substantially free from its diastereomer impurity.
    Type: Application
    Filed: June 18, 2020
    Publication date: September 29, 2022
    Inventors: Ram Thaimattam, Sureshbabu Radhakrishnan, Pavan Kumar Seethamraju, Satheesh Beeravalli, Uma Maheswara Rao Pampana, Anil Kumar Reddy Shamakura, Ravindra Babu Bollu, Uma Maheswer Rao Vasireddi
  • Stable amorphous form of sacubitril valsartan trisodium complex and processes for preparation thereof
    Patent number: 11318116
    Abstract: The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: May 3, 2022
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Ram Thaimattam, Venkateswar Rao Challagonda, Sivarami Reddy Yasam, Pavan Kumar Seethamraju, Uma Maheswar Rao Vasireddi
  • STABLE AMORPHOUS FORM OF SACUBITRIL VALSARTAN TRISODIUM COMPLEX AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20210046050
    Abstract: The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.
    Type: Application
    Filed: September 22, 2020
    Publication date: February 18, 2021
    Inventors: Ravindra Babu Bollu, Ram Thaimattam, Venkateswar Rao Challagonda, Sivarami Reddy Yasam, Pavan Kumar Seethamraju, Uma Maheswar Rao Vasireddi
  • Stable amorphous form of sacubitril valsartan trisodium complex and processes for preparation thereof
    Patent number: 10857132
    Abstract: The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: December 8, 2020
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Ram Thaimattam, Venkateswar Rao Challagonda, Sivarami Reddy Yasam, Pavan Kumar Seethamraju, Uma Maheswar Rao Vasireddi
  • STABLE AMORPHOUS FORM OF SACUBITRIL VALSARTAN TRISODIUM COMPLEX AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20190282546
    Abstract: The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.
    Type: Application
    Filed: October 10, 2017
    Publication date: September 19, 2019
    Applicant: Laurus Labs Ltd.
    Inventors: Ravindra Babu Bollu, Ram Thaimattam, Challagonda Rao Venkateswar, Sivarami Reddy Yasam, Pavan Kumar Seethamraju, Uma Maheswar Rao Vasireddi