Patents by Inventor Srinivas Pullela Venkata

Srinivas Pullela Venkata 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).

  • Processes for preparation of Everolimus and intermediates thereof
    Patent number: 9079921
    Abstract: The present disclosure discloses processes of Everolimus and intermediates: reacting Sirolimus (Rapamycin) under solvent free conditions with appropriate side chain implying portion wise additions, one pot conversion, and resin mediated synthesis.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: July 14, 2015
    Assignee: Biocon Limited
    Inventors: Srinivas Pullela Venkata, Ganesh Ekambaram, Kiran Kumar Kothakonda, Anegondi Sreenivasa Prasad
  • Method of synthesizing a substantially monodispersed mixture of oligomers
    Patent number: 9040723
    Abstract: The present invention relates to methods of synthesizing oligomeric compounds, and more particularly, to methods of synthesizing oligomer compounds comprising polyethylene glycol moieties. The present invention provides improved methods for synthesizing oligomers comprising polyethylene glycol moieties. Methods according to embodiments of the present invention may utilize reaction conditions that are milder, efficacious than those taught by conventional methods.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: May 26, 2015
    Assignee: BIOCON LIMITED
    Inventors: Reena Vijayaraghavan, Srinivas Pullela Venkata, Chandrashekar Aswathanarayanappa
  • PROCESS FOR THE PREPARATION OF RANDOM POLYPEPTIDES AND EMPLOYING CIRCULAR DICHROISM AS A GUIDANCE TOOL FOR THE MANUFACTURE OF GLATIRAMER ACETATE
    Publication number: 20140288269
    Abstract: The present invention discloses novel process for the preparation of mixture of polypeptides comprising L-Glutamaic acid, L-Alanine, L-Tyrosine, and L-Lysine. by employing circular dichroism as a guidance tool.
    Type: Application
    Filed: October 26, 2012
    Publication date: September 25, 2014
    Inventors: Srinivas Pullela Venkata, Anand Khedkar, Nitin Sopanrao Patil, Sandhya Ujire, Amarnath Chatterjee, Ashwini Janakiraman
  • ACID ADDITION SALTS OF BOSENTAN
    Publication number: 20140275535
    Abstract: The present invention relates to the stable acid addition salts of Bosentan that are useful for the purification of Bosentan base. In particular, the Bosentan acid addition salt is selected from Bosentan citrate and Bosentan tartrate.
    Type: Application
    Filed: December 1, 2011
    Publication date: September 18, 2014
    Applicant: Biocon Limited
    Inventors: Srinivas Pullela Venkata, Kiran Kumar Kothakonda, Shanmughasamy Rajmahendra, Indrajit Chandrasekaran, Mariappan Kaliappan, Rekha Shivappa Mailar
  • PROCESS FOR PREPARATION OF CASPOFUNGIN ACETATE AND INTERMEDIATES
    Publication number: 20140005355
    Abstract: The present invention discloses a process for the preparation of Caspofungin and its intermediates from Pneumocandin B0.
    Type: Application
    Filed: February 18, 2011
    Publication date: January 2, 2014
    Applicant: BIOCON LIMITED
    Inventors: Kiran Kumar Kothakonda, Sandeep Rao Sripathi, Srinivas Pullela Venkata, Lijo George, Anegondi Sreenivasa Prasad
  • PROCESSES FOR PREPARATION OF EVEROLIMUS AND INTERMEDIATES THEREOF
    Publication number: 20130225823
    Abstract: The present disclosure discloses processes of Everolimus and intermediates: reacting Sirolimus (Rapamycin) under solvent free conditions with appropriate side chain implying portion wise additions, one pot conversion, and resin mediated synthesis.
    Type: Application
    Filed: November 17, 2011
    Publication date: August 29, 2013
    Inventors: Srinivas Pullela Venkata, Ganesh Ekambaram, Kiran Kumar Kothakonda, Anegondi Sreenivasa Prasad
  • METHOD OF SYNTHESIZING A SUBSTANTIALLY MONODISPERSED MIXTURE OF OLIGOMERS
    Publication number: 20110118480
    Abstract: The present invention relates to methods of synthesizing oligomeric compounds, and more particularly, to methods of synthesizing oligomer compounds comprising polyethylene glycol moieties. The present invention provides improved methods for synthesizing oligomers comprising polyethylene glycol moieties. Methods according to embodiments of the present invention may utilize reaction conditions that are milder, efficacious than those taught by conventional methods.
    Type: Application
    Filed: August 28, 2008
    Publication date: May 19, 2011
    Applicant: BIOCON LIMITED
    Inventors: Reena Vijayaraghavan, Srinivas Pullela Venkata, Chandrashekar Aswathanarayanappa