Patents by Inventor Sagar Satyanarayan Zawar

Sagar Satyanarayan Zawar 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 gram scale production of PEG-r-metHuG-CSF
    Patent number: 8586710
    Abstract: The present invention relates to a process for improving pegylation reaction yield of r-metHuG-CSF comprising conjugating r-metHuG-CSF to a PEG aldehyde at a free amine moiety at the N terminal end on the G-CSF in presence of a reducing agent in a pegylation buffer solution comprising a polyol having the formula CnH2n+2On where n is from 3 to 6, or a carbohydrate, or a derivative thereof wherein the concentration of said polyol or carbohydrate or derivative thereof is in the range of 0.1% to 10% w/w.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: November 19, 2013
    Assignee: USV, Ltd.
    Inventors: Nikhil Umesh Mohe, Dinesh Kumar Paliwal, Divya Lal Saksena, Chandrakesan Muralidharan, Rakesh Shekhawat, Sagar Satyanarayan Zawar
  • Process for PEGylation of Proteins
    Publication number: 20110196134
    Abstract: The present invention relates to a process for improving pegylation reaction yield of r-metHuG-CSF comprising conjugating r-metHuG-CSF to a PEG aldehyde at a free amine moiety at the N terminal end on the G-CSF in presence of a reducing agent in a pegylation buffer solution comprising a polyol having the formula CnH2n+2On where n is from 3 to 6, or a carbohydrate, or a derivative thereof wherein the concentration of said polyol or carbohydrate or derivative thereof is in the range of 0.1% to 10% w/w.
    Type: Application
    Filed: May 4, 2009
    Publication date: August 11, 2011
    Applicant: USV LIMITED
    Inventors: Nikhil Umesh Mohe, Radhakrishnan Venkatsubramanian Tarur, Dinesh Kumar Paliwal, Divya Lal Saksena, Nilesh Dagdu Patil, Muralidharan Chandrakesan, Digamber Shripati Pawar, Rakesh Shekhawat, Aruna Khare, Sagar Satyanarayan Zawar, Pankaj Prabhakar Malpure, Dilip Kumar Rana