Patents by Inventor Srividya Ramakrishnan

Srividya Ramakrishnan 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 CONTINUOUS MANUFACTURE OF STATINS
    Publication number: 20230026095
    Abstract: The present invention relates to process for the continuous manufacture of Statins or salts thereof. The present invention relates to process for the continuous manufacture of Atorvastatin or a salt thereof. The present invention relates to a continuous manufacturing process for the crystallization of Atorvastatin calcium. The present invention also relates to a continuous manufacturing process for the crystallization of Atorvastatin calcium Form I.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 26, 2023
    Inventors: Jaganadha Rao VELAGA, Sahil GUPTA, Manohar VENKATACHALAM, Suhas JAWLEKAR, Srividya RAMAKRISHNAN, Naga Lakshmi Ramana SUSARLA, Rajeev Rehani BUDHDEV, Rakeshwar BANDICHHOR, Mohammed Yakoob SARDAR, Jerome GNANAPRAKASAM, Ravi Kumar G
  • SOLID STATE FORMS OF SIPONIMOD
    Publication number: 20220144768
    Abstract: The present application provides novel polymorphic forms of siponimod, their processes, their use in purification of other crystalline polymorphic forms of siponimod, and pharmaceutical compositions containing them. The present application specifically provides crystalline Form S, Form S1 and Form S2 of siponimod, their preparative methods, their use in purification of other crystalline forms of siponimod and pharmaceutical compositions thereof.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Inventors: Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA, Satyanarayana THIRUNAHARI, Srinivasulu RANGINENI
  • AMORPHOUS FORMS OF SELINEXOR AND PROCESS FOR THEIR PREPARATION
    Publication number: 20210221795
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Application
    Filed: March 1, 2021
    Publication date: July 22, 2021
    Inventors: Ramanaiah CHENNURU, Satarupa BHATTACHARJEE, Srinivas ORUGANTI, Vishnu Vardhana Vema Reddy EDA, Ramesh CHAKKA, Vishweshwar PEDDY, Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA
  • Solid forms of Selinexor and process for their preparation
    Patent number: 11034675
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 15, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Ramanaiah Chennuru, Satarupa Bhattacharjee, Srinivas Oruganti, Vishnu Vardhana Verna Reddy Eda, Ramesh Chakka, Vishweshwar Peddy, Srividya Ramakrishnan, Vamsi Krishna Mudapaka
  • Solid state forms of dasatinib and processes for their preparation
    Patent number: 10464933
    Abstract: The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: November 5, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Satyanarayana Thirunahari, Anish Anil Gupta, Srividya Ramakrishnan, Sonawane Swapnil, Rakeshwar Bandichhor, Srinivasula Reddy Lakkireddy
  • SOLID STATE FORMS OF DASATINIB AND PROCESSES FOR THEIR PREPARATION
    Publication number: 20190040054
    Abstract: The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Inventors: Satyanarayana THIRUNAHARI, Anish ANIL GUPTA, Srividya RAMAKRISHNAN, Sonawane SWAPNIL, Rakeshwar BANDICHHOR, Srinivasula Reddy LAKKIREDDY
  • SOLID FORMS OF SELINEXOR AND PROCESS FOR THEIR PREPARATION
    Publication number: 20190023693
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 24, 2019
    Inventors: Ramanaiah CHENNURU, Satarupa BHATTACHARJEE, Srinivas ORUGANTI, Vishnu Vardhana Vema Reddy EDA, Ramesh CHAKKA, Vishweshwar PEDDY, Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA
  • CRYSTALLINE FORMS OF VILAZODONE HYDROCHLORIDE AND VILAZODONE FREE BASE
    Publication number: 20190002444
    Abstract: The present application relates to crystalline and amorphous Vilazodone hydrochloride. The present application further relates to amorphous solid dispersions of vilazodone hydrochloride with pharmaceutically acceptable carriers. The present application also relates to a process for the preparation of form I of vilazodone free base.
    Type: Application
    Filed: June 1, 2018
    Publication date: January 3, 2019
    Inventors: Javed IQBAL, Srinivas ORUGANTI, Rajesh Kumar RAPOLU, Vishweshwar PEDDY, Rajesham BOGE, Deepika PATHIVADA, Dharma Jagannadha Rao VELAGA, Sesha Reddy YARRAGUNTLA, Sudhakar Reddy BADDAM, Anitha NAREDLA, Kiran Kumar DONIPARTHI, Srividya RAMAKRISHNAN
  • Crystalline forms of vilazodone hydrochloride and vilazodone free base
    Patent number: 10011590
    Abstract: The present application relates to crystalline and amorphous Vilazodone hydrochloride. The present application further relates to amorphous solid dispersions of vilazodone hydrochloride with pharmaceutically acceptable carriers. The present application also relates to a process for the preparation of form I of vilazodone free base.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: July 3, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Javed Iqbal, Srinivas Oruganti, Rajesh Kumar Rapolu, Vishweshwar Peddy, Rajesham Boge, Deepika Pathivada, Dharma Jagannadha Rao Velaga, Sesha Reddy Yarraguntla, Sudhakar Reddy Baddam, Anitha Naredla, Kiran Kumar Doniparthi, Srividya Ramakrishnan
  • Polymorphic forms of nilotinib hydrochloride
    Patent number: 9981947
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: May 29, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Ramanaiah Chennuru, Srividya Ramakrishnan
  • POLYMORPHS OF IBRUTINIB
    Publication number: 20180051026
    Abstract: The present invention provides crystalline forms of Ibrutinib and processes for their preparation.
    Type: Application
    Filed: March 2, 2016
    Publication date: February 22, 2018
    Inventors: Vishweshwar PEDDY, Dharma Jagannadha Rao VELAGA, Sundara Lakshmi KANNIAH, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN, Srinivas RANGINENI
  • POLYMORPHIC FORMS OF NILOTINIB HYDROCHLORIDE
    Publication number: 20170260162
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Application
    Filed: January 10, 2017
    Publication date: September 14, 2017
    Inventors: Vishweshwar PEDDY, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN
  • CRYSTALLINE FORMS OF VILAZODONE HYDROCHLORIDE AND VILAZODONE FREE BASE
    Publication number: 20170217939
    Abstract: The present application relates to crystalline and amorphous Vilazodone hydrochloride. The present application further relates to amorphous solid dispersions of vilazodone hydrochloride with pharmaceutically acceptable carriers. The present application also relates to a process for the preparation of form I of vilazodone free base.
    Type: Application
    Filed: April 13, 2017
    Publication date: August 3, 2017
    Inventors: Javed IQBAL, Srinivas ORUGANTI, Rajesh Kumar RAPOLU, Vishweshwar PEDDY, Rajesham BOGE, Deepika PATHIVADA, Dharma Jagannadha Rao VELAGA, Sesha Reddy YARRAGUNTLA, Sudhakar Reddy BADDAM, Anitha NAREDLA, Kiran Kumar DONIPARTHI, Ramesh Kumar NADGOUD, Narasimha Rao PAGADALA, Syam Kumar UNNIARAN, Srividya RAMAKRISHNAN
  • Polymorphic forms of nilotinib hydrochloride
    Patent number: 9580408
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: February 28, 2017
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Ramanaiah Chennuru, Srividya Ramakrishnan
  • Crystal structures of SGLT2 inhibitors and processes for preparing same
    Patent number: 9453039
    Abstract: The present invention relates to physical crystal structures of a compound of the formula I: wherein R1, R2, R2a, R3 and R4 are as defined herein, especially pharmaceutical compositions containing structures of compound I or II, processes for preparing same, intermediates used in preparing same, and methods of treating diseases such as diabetes using such structures.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: September 27, 2016
    Assignee: AstraZeneca AB
    Inventors: Jack Z. Gougoutas, Hildegard Lobinger, Srividya Ramakrishnan, Prashant P. Deshpande, Jeffrey T. Bien, Chiajen Lai, Chenchi Wang, Peter Riebel, John Anthony Grosso, Alexandra A. Nirschl, Janak Singh, John D. DiMarco
  • POLYMORPHIC FORMS OF NILOTINIB HYDROCHLORIDE
    Publication number: 20160130252
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Application
    Filed: April 23, 2014
    Publication date: May 12, 2016
    Inventors: Vishweshwar PEDDY, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN
  • Preparation of crystalline bazedoxifene and its salts
    Patent number: 9212172
    Abstract: Aspects of the present disclosure include crystalline bazedoxifene free base, crystalline bazedoxifene acetate Form D, and processes for their preparation. The drug compound having the adopted name “bazedoxifene acetate” has a chemical name 1-[4-(2-azepan-1-yl-ethoxy)benzyl]-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid, and has the chemical structure shown below as Formula I.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: December 15, 2015
    Assignees: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Sundra Lakshmi Kanniah, Rajesham Boge, Peddireddy Subbareddy, Lalita Kanwar, Srividya Ramakrishnan, Ramya Kumar, Rakeshwar Bandichhor, Amarnath Reddy Lekkala, Ravi Kumar Mylavarapu, Vagwala Raghunath
  • CRYSTALLINE FORMS OF VILAZODONE HYDROCHLORIDE AND VILAZODONE FREE BASE
    Publication number: 20150126525
    Abstract: Provided are crystalline and amorphous vilazodone hydrochloride. Further provided are amorphous solid dispersions of vilazodone hydrochloride with pharmaceutically acceptable carries. Also provided is a process for the preparation of form I of vilazodone free base.
    Type: Application
    Filed: May 10, 2013
    Publication date: May 7, 2015
    Inventors: Javed Iqbal, Srinivas Oruganti, Rajesh Kumar Rapolu, Vishweshwar Peddy, Rajesham Boge, Deepika Pathivada, Dharma Jagannadha Rao Velaga, Sesha Reddy Yarraguntla, Sudhakar Reddy Baddam, Anitha Naredla, Kiran Kumar Doniparthi, Ramesh Kumar Nadgoud, Narasimha Rao Pagadala, Syam Kumar Unniaran, Srividya Ramakrishnan
  • CRYSTAL STRUCTURES OF SGLT2 INHIBITORS AND PROCESSES FOR PREPARING SAME
    Publication number: 20130303467
    Abstract: The present invention relates to physical crystal structures of a compound of the formula I: wherein R1, R2, R2a, R3 and R4 are as defined herein, especially pharmaceutical compositions containing structures of compound I or II, processes for preparing same, intermediates used in preparing same, and methods of treating diseases such as diabetes using such structures.
    Type: Application
    Filed: July 10, 2013
    Publication date: November 14, 2013
    Inventors: Jack Z. Gougoutas, Hildegard Lobinger, Srividya Ramakrishnan, Prashant P. Deshpande, Jeffrey T. Bien, Chiajen Lai, Chenchi Wang, Peter Riebel, John Anthony Grosso, Alexandra A. Nirschl, Janak Singh, John D. DiMarco
  • PREPARATION OF CRYSTALLINE BAZEDOXIFENE AND ITS SALTS
    Publication number: 20130225805
    Abstract: Aspects of the present disclosure include crystalline bazedoxifene free base, crystalline bazedoxifene acetate Form D, and processes for their preparation. The drug compound having the adopted name “bazedoxifene acetate” has a chemical name 1-[4-(2-azepan-1-yl-ethoxy)benzyl]-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid, and has the chemical structure shown below as Formula I.
    Type: Application
    Filed: September 14, 2011
    Publication date: August 29, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Sundra Lakshmi Kanniah, Rajesham Boge, Peddireddy Subbareddy, Lalita Kanwar, Srividya Ramakrishnan, Ramya Kumar, Rakeshwar Bandichhor, Amarnath Reddy Lekkala, Ravi Kumar Mylavarapu, Vagwala Raghunath