Patents by Inventor Shanavas Alikunju

Shanavas Alikunju 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).

  • Patent number: 9782407
    Abstract: The present invention provides a method for treating or preventing a condition or disease in a human or an animal subject wherein the condition or disease is associated with lipoprotein metabolism, the method comprising administering to the subject a composition comprising benzylamine compounds.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 10, 2017
    Assignee: DR. REDDY'S LABORATORIES LTD.
    Inventors: Anima Baruah, Dibyendu De, Ish Kumar Khanna, Sivaram Pillarisetti, Santanu Maitra, Christopher W. Alexander, Jennepalli Sreenu, Indu Dager, Shanavas Alikunju
  • Patent number: 9765030
    Abstract: The present invention provides, among other things, new benzylamine compounds, compositions comprising benzylamine compounds, methods of making benzylamine compounds, and methods of using benzylamine compounds for treating or preventing a variety of conditions or diseases associated with lipoprotein metabolism.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: September 19, 2017
    Assignee: DR. REDDY'S LABORATORIES LTD.
    Inventors: Anima Baruah, Dibyendu De, Ish Kumar Khanna, Sivaram Pillarisetti, Santanu Maitra, Christopher W. Alexander, Jennepalli Sreenu, Indu Dager, Shanavas Alikunju
  • Patent number: 9351969
    Abstract: The present application relates to cycloalkylpyridin-2-amines derivates of formula (I) or stereoisomers thereof or pharmaceutically acceptable salts thereof. The present application also relates to the process for the preparation of compounds of formula (I). The present application further describes the compounds of formula (I) as cholesteryl ester-transfer protein (CETP) inhibitors. The present application further relates to pharmaceutical compositions comprising compounds of formula (I) or stereoisomers thereof or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: May 31, 2016
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Anima Boruah, Shanavas Alikunju
  • Publication number: 20160045488
    Abstract: The present application relates to cycloalkylpyridin-2-amines derivates of formula (I) or stereoisomers thereof or pharmaceutically acceptable salts thereof. The present application also relates to the process for the preparation of compounds of formula (I). The present application further describes the compounds of formula (I) as cholesteryl ester-transfer protein (CETP) inhibitors. The present application further relates to pharmaceutical compositions comprising compounds of formula (I) or stereoisomers thereof or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 18, 2016
    Inventors: Anima BORUAH, Shanavas ALIKUNJU
  • Patent number: 9199967
    Abstract: The present application relates to cycloalkylpyridin-2-amines derivates of formula (1) or stereoisomers thereof or pharmaceutically acceptable salts thereof. The present application also relates to the process for the preparation of compounds of formula (I). The present application further describes the compounds of formula (1) as cholesteryl ester-transfer protein (CETP) inhibitors. The present application further relates to pharmaceutical compositions comprising compounds of formula (1) or stereoisomers thereof or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: December 1, 2015
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Anima Boruah, Shanavas Alikunju
  • Publication number: 20150216866
    Abstract: The present invention provides a method for treating or preventing a condition or disease in a human or an animal subject wherein the condition or disease is associated with lipoprotein metabolism, the method comprising administering to the subject a composition comprising benzylamine compounds.
    Type: Application
    Filed: April 15, 2015
    Publication date: August 6, 2015
    Inventors: Anima BARUAH, Dibyendu DE, Ish Kumar KHANNA, Sivaram PILLARISETTI, Santanu MAITRA, Christopher W. ALEXANDER, Jennepalli SREENU, Indu DAGER, Shanavas ALIKUNJU
  • Patent number: 9040558
    Abstract: The invention is directed to novel substituted benzylamino quinolines, compounds comprising substituted benzylamino quinolines, methods of making substituted benzylamino quinolines, the use of substituted benzylamino quinolines for treating or preventing a variety of conditions or diseases associated with lipoprotein metabolism, and the use of substituted benzylamino quinolines as cholesterol ester-transfer protein inhibitors.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: May 26, 2015
    Assignee: DR. REDDY'S LABORATORIES LTD.
    Inventors: Anima Baruah, Dibyendu De, Ish Kumar Khanna, Sivaram Pillarisetti, Santanu Maitra, Christopher W. Alexander, Jennepalli Sreenu, Indu Dager, Shanavas Alikunju
  • Patent number: 9000007
    Abstract: The present application relates to a series of substituted pyra-zolopyridin-6-amines having the general formula (I), including their stereoisomers and/or their pharmaceutically acceptable salts. Wherein R, R1, R2, Ra, Raa, Rb and n are as defined herein. The present invention further relates to pharmaceutical compositions comprising compounds of formula (I). The compounds of this application are useful as CETP inhibitors for increasing HDL cholesterol and decreasing LDL cholesterol in a patient.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: April 7, 2015
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Anima Boruah, Shanavas Alikunju
  • Publication number: 20140288072
    Abstract: The present application relates to a series of substituted pyra-zolopyridin-6-amines having the general formula (I), including their stereoisomers and/or their pharmaceutically acceptable salts. Wherein R, R1, R2, Ra, Raa, Rb and n are as defined herein. The present invention further relates to pharmaceutical compositions comprising compounds of formula (I). The compounds of this application are useful as CETP inhibitors for increasing HDL cholesterol and decreasing LDL cholesterol in a patient.
    Type: Application
    Filed: September 27, 2012
    Publication date: September 25, 2014
    Applicant: DR. REDDY'S LABORATORIES, LTD.
    Inventors: Anima Boruah, Shanavas Alikunju
  • Publication number: 20140256724
    Abstract: The present application relates to cycloalkylpyridin-2-amines derivates of formula (1) or stereoisomers thereof or pharmaceutically acceptable salts thereof. The present application also relates to the process for the preparation of compounds of formula (I). The present application further describes the compounds of formula (1) as cholesteryl ester-transfer protein (CETP) inhibitors. The present application further relates to pharmaceutical compositions comprising compounds of formula (1) or stereoisomers thereof or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: August 17, 2012
    Publication date: September 11, 2014
    Applicant: DR. REDDY'S LABORATORIES LTD.
    Inventors: Anima Boruah, Shanavas Alikunju
  • Publication number: 20140134235
    Abstract: The present invention provides, among other things, new benzylamine compounds, compositions comprising benzylamine compounds, methods of making benzylamine compounds, and methods of using benzylamine compounds for treating or preventing a variety of conditions or diseases associated with lipoprotein metabolism.
    Type: Application
    Filed: October 14, 2013
    Publication date: May 15, 2014
    Applicant: DR. REDDY'S LABORATORIES LTD.
    Inventors: Anima BARUAH, Dibyendu DE, Ish Kumar KHANNA, Sivaram PILLARISETTI, Santanu MAITRA, Christopher W. ALEXANDER, Jennepalli SREENU, Indu Dagar, Shanavas Alikunju
  • Patent number: 8604055
    Abstract: The present invention provides, among other things, new benzylamine compounds, compositions comprising benzylamine compounds, methods of making benzylamine compounds, and methods of using benzylamine compounds for treating or preventing a variety of conditions or diseases associated with lipoprotein metabolism.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: December 10, 2013
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Anima Baruah, Dibyendu De, Ish Kumar Khanna, Sivaram Pillarisetti, Santanu Maitra, Christopher W. Alexander, Jennepalli Sreenu, Indu Dagar, Shanavas Alikunju
  • Patent number: 8080559
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: December 20, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20100063083
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Application
    Filed: October 12, 2009
    Publication date: March 11, 2010
    Applicant: Dr. Reddy's Laboratories LTD.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Patent number: 7601732
    Abstract: A crystalline form of 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer of 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin is described that is characterized by having an X-ray powder diffraction pattern comprising one or more peak intensities expressed in degrees 2? that are selected from the group consisting of 7.2±0.1, 9.4±0.1, 11.02±0.1, 12.00±0.1, 14.54±0.1, 15.2±0.1, 18.92±0.1, 21.86±0.1, 22.74±0.1 and 26.42±0.1. Methods of making and using the compound are also described.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: October 13, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Patent number: 7601733
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: October 13, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20080076791
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Application
    Filed: May 24, 2007
    Publication date: March 27, 2008
    Applicants: DR.REDDY'S LABORATORIES LIMITED, DR.REDDY'S LABRATORIES, INC.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20080076790
    Abstract: A crystalline form of 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer of 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin is described that is characterized by having an X-ray powder diffraction pattern comprising one or more peak intensities expressed in degrees 2? that are selected from the group consisting of 7.2±0.1, 9.4±0.1, 11.02±0.1, 12.00±0.1, 14.54±0.1, 15.2±0.1, 18.92±0.1, 21.86±0.1, 22.74±0.1 and 26.42±0.1. Methods of making and using the compound are also described.
    Type: Application
    Filed: May 24, 2007
    Publication date: March 27, 2008
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal