Patents by Inventor Yati Chugh

Yati Chugh 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: 8729269
    Abstract: The present invention provides agents having antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel substituted piperidino phenyloxazolidinone derivatives, processes for making compounds as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating bacterial infections with the said derivatives.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: May 20, 2014
    Assignee: Wockhardt Limited
    Inventors: Prasad Keshav Deshpande, Milind Dattatraya Sindkhedkar, Mahesh Shriram Phansalkar, Ravindra Dattatraya Yeole, Shrikant Vinayak Gupte, Yati Chugh, Nitin Shetty, Sachin Subhash Bhagwat, Milind Chintaman Shukla, Noel John De Souza, Mahesh Vithalbhai Patel
  • Patent number: 8288416
    Abstract: The present invention relates to oxazolidinones of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof. The invention also relates to processes for the preparation of the compound of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof, and to pharmaceutical compositions containing the compounds of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof and to methods for treating or preventing microbial infections using the compounds of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof.
    Type: Grant
    Filed: September 22, 2007
    Date of Patent: October 16, 2012
    Assignee: Wockhardt Ltd.
    Inventors: Vijaykumar Jadgishwar Patil, Mahesh Vithalbhai Patel, Bharat Kalidas Trivedi, Deepak Vijaykumar Dekhane, Mohammad Usman Shaikh, Yati Chugh, Rajesh Prabhakar Chavan, Mohammad Alam Jafri
  • Publication number: 20100120721
    Abstract: The present invention relates to oxazolidinones of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof. The invention also relates to processes for the preparation of the compound of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof, and to pharmaceutical compositions containing the compounds of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof and to methods for treating or preventing microbial infections using the compounds of Formula I and pharmaceutically acceptable salts, pharmaceutically acceptable solvates or polymorphs thereof.
    Type: Application
    Filed: September 22, 2007
    Publication date: May 13, 2010
    Applicant: WOCKHARDT RESEARCH CENTRE
    Inventors: Vijaykumar Jadgishwar Patil, Mahesh Vithalbhai Patel, Bharat Kalidas Trivedi, Deepak Vijaykumar Dekhane, Mohammad Usman Shaikh, Yati Chugh, Rajesh Prabhakar Chavan, Mohammad Alam Jafri
  • Patent number: 7687627
    Abstract: The present invention provides agents having antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel substituted piperidino phenyloxazolidinone derivatives, processes for making compounds as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating bacterial infections with the said derivatives.
    Type: Grant
    Filed: September 7, 2004
    Date of Patent: March 30, 2010
    Assignee: Wockhardt Limited
    Inventors: Prasad Keshav Deshpande, Milind Dattatraya Sindkhedkar, Mahesh Shriram Phansalkar, Ravindra Dattatraya Yeole, Shrikant Vinayak Gupte, Yati Chugh, Nitin Shetty, Sachin Subhash Bhagwat, Milind Chintaman Shukla, Noel John De Souza, Mahesh Vithalbhai Patel
  • Patent number: 7626032
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: December 1, 2009
    Assignee: Wockhardt Limited
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Yati Chugh, Milind Chintaman Shukla
  • Patent number: 7538221
    Abstract: A polymorphic forms of the hydrochloride salt and mesylate salt of racemic (±)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid, dextrorotatory R-(+)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid and S-(?)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid having formula (I) and (II) respectively are described. Processes for their preparation are also described. The invention further relates to methods of using, and pharmaceutical compositions comprising the compounds of the invention for treatment of bacterial infections in mammals.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 26, 2009
    Assignee: The Company of Wockhardt Limited
    Inventors: Prasad Keshav Deshpande, Satish Baliram Bhavsar, Yati Chugh, Ravindra Dattatrya Yeole, Noel John De Souza, Mahesh Vithalbhai Patel
  • Publication number: 20080214608
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Application
    Filed: April 24, 2008
    Publication date: September 4, 2008
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Yati Chugh, Milind Chintaman Shukla
  • Patent number: 7405228
    Abstract: The present invention provides agents having high antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel cyano-(substituted)-methylenepiperidinophenyl oxazolidinone derivatives, processes for making the compounds, as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating bacterial infections with the said derivatives.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: July 29, 2008
    Assignee: Wockhardt Limited
    Inventors: Mahesh V Patel, Prasad K Deshpande, Milind D Sindkhedkar, Shrikant V Gupte, Yati Chugh, Nitin Shetty, Milind C Shukla, Ravindra D Yeole, Noel J De Souza
  • Patent number: 7393957
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: July 1, 2008
    Assignee: Wockhardt Limited
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Yati Chugh, Milind Chintaman Shukla
  • Publication number: 20070082926
    Abstract: A polymorphic forms of the hydrochloride salt and mesylate salt of racemic (±)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid, dextrorotatory R-(±)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid and S-(?)-1-cyclopropyl-6-fluoro-8-methoxy-7-(4-amino-3,3-dimethylpiperidin-1-yl)-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid having formula (I) and (II) respectively are described. Processes for their preparation are also described. The invention further relates to methods of using, and pharmaceutical compositions comprising the compounds of the invention for treatment of bacterial infections in mammals.
    Type: Application
    Filed: November 10, 2004
    Publication date: April 12, 2007
    Inventors: Prasad Deshpande, Satish Bhavsar, Yati Chugh, Ravindra Yeole, Noel De Souza, Mahesh Vithalbhai
  • Patent number: 6964966
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: November 15, 2005
    Assignee: Wockhardt Limited
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Shrikant V. Gupte, Dilip J. Upadhyay, Satish B. Bhawsar, Rupinder K. Beri, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Milind Chintaman Shukla, Yati Chugh, Nitin Shetty, Ravindra D. Yeole, M. Madhav Reddy
  • Publication number: 20050143421
    Abstract: The present invention provides agents having antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel substituted piperidino phenyloxazolidinone derivatives, processes for making compounds as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating bacterial infections with the said derivatives.
    Type: Application
    Filed: September 7, 2004
    Publication date: June 30, 2005
    Inventors: Prasad Deshpande, Milind Sindkhedkar, Mahesh Phansalkar, Ravindra Yeole, Shrikant Gupte, Yati Chugh, Nitin Shetty, Sachin Bhagwat, Milind Shukla, Noel De Souza, Mahesh Patel
  • Patent number: 6878713
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: April 12, 2005
    Assignee: Wockhardt Limited
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Yati Chugh, Milind Chintaman Shukla
  • Publication number: 20050065164
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Application
    Filed: September 20, 2004
    Publication date: March 24, 2005
    Inventors: Noel De Souza, Mahesh Patel, Prasad Deshpande, Shiv Agarwal, Kandepu Sreenivas, Sheela Nair, Yati Chugh, Milind Shukla
  • Publication number: 20040235900
    Abstract: The present invention provides agents having high antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel cyanoalkylpiperidinophenyl oxazolidinone derivatives having antimicrobial activity, favourable pharmacokinetic and safety profiles, processes for making the compounds, as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating microbial infections with the said derivatives.
    Type: Application
    Filed: October 23, 2003
    Publication date: November 25, 2004
    Inventors: Yati Chugh, Nitin Shetty, Prasad K Deshpande, Milind D Sindkhedkar, Mohammad A Jafri, Ravinda D Yeole, Milind C Shukla, Shirikant V Gupte, Mahesh V Patel, Noel J De Souza
  • Publication number: 20040063954
    Abstract: The present invention provides agents having high antimicrobial activity for preventing and treating infectious diseases. Thus, the present invention provides novel cyano-(substituted)-methylenepiperidinophenyl oxazolidinone derivatives, processes for making the compounds, as well as antimicrobial compositions containing said derivatives as active ingredients and methods of treating bacterial infections with the said derivatives.
    Type: Application
    Filed: July 10, 2003
    Publication date: April 1, 2004
    Applicant: WOCKHARDT LIMITED
    Inventors: Mahesh V. Patel, Prasad K. Deshpande, Milind D. Sindkhedkar, Shrikant V. Gupte, Yati Chugh, Nitin Shetty, Milind C. Shukla, Ravindra D. Yeole, Noel J. De Souza
  • Publication number: 20030216568
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Application
    Filed: December 12, 2002
    Publication date: November 20, 2003
    Applicant: WOCKHARDT LIMITED
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Yati Chugh, Milind Chintaman Shukla
  • Publication number: 20030096812
    Abstract: This invention relates to new generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, to their optical isomers, diastereomers or enantiomers, as well as pharmaceutically acceptable salts, hydrates, prodrugs, polymorphs and pseudopolymorphs thereof, to their preparation, to their compositions and to their use.
    Type: Application
    Filed: April 23, 2002
    Publication date: May 22, 2003
    Applicant: WOCKHARDT LIMITED
    Inventors: Noel John De Souza, Mahesh Vithalbhai Patel, Prasad Keshav Deshpande, Shiv Kumar Agarwal, Shrikant V. Gupte, Dilip J. Upadhyay, Satish B. Bhawsar, Rupinder K. Beri, Kandepu Sreenivas, Sheela Chandrasekharan Nair, Milind Chintaman Shukla, Yati Chugh, Nitin Shetty, Ravindra D. Yeole, M. Madhav Reddy