Patents by Inventor Shrikant V. Gupte

Shrikant V. Gupte 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).

  • Antibacterial cyano-(substituted)-methylenepiperidinophenyl oxazolidinones targeting multiple ribonucleoprotein sites
    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
  • Benzoquinolizine-2-carboxylic acid arginine salt tetrahydrate
    Patent number: 7164023
    Abstract: The invention relates to crystalline S-(?)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid L-arginine salt tetrahydrate, a process for its preparation and pharmaceutical formulations incorporating it as the active ingredient for use in treating microbial infections.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: January 16, 2007
    Assignee: Wockhardt Limited
    Inventors: Prasad K. Deshpande, Vijaya N. Desai, Ravindra D. Yeole, Shrikant V. Gupte, Mahesh V. Patel, Noel J. de Souza
  • Crystalline fluoroquinolone arginine salt form
    Patent number: 7132541
    Abstract: The invention relates to the new arginine salt forms of RS-(±)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, S-(?)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, R-(+)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, a process for their preparation and pharmaceutical formulations which comprise those arginine salt forms as the active ingredient for its use in treating microbial infections.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: November 7, 2006
    Assignee: Wockhardt Limited
    Inventors: Noel J. de Souza, Prasad K Deshpande, Milind C. Shukla, Siddiqui M Jaweed Mukarram, Dilip Ganesh Kulkarni, Ansari Azizur Rahman, Ravindra D Yeole, Mahesh V Patel, Shrikant V Gupte
  • Inhibitors of cellular efflux pumps of microbes
    Patent number: 7098219
    Abstract: Compounds are described which are efflux pump inhibitors of cellular efflux pumps of microbes. Also described are methods of preparing such compounds, methods of using such efflux pump inhibitor compounds and pharmaceutical compositions which include such compounds.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: August 29, 2006
    Assignee: Wockhart Limited
    Inventors: Noel John de Souza, Mahesh Vithalbhai Patel, Shrikant V Gupte, Dilip J Upadhyay, Milind Chintaman Shukla, Nishith C Chaturvedi, Satish B Bhawsar, Sheela Chandresekharan Nair, Mohammed A Jafri, Habil Fakhruddin Khorakiwala
  • Generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-quinolone carboxylic acid derivatives, their preparation, compositions and use as medicaments
    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
  • Benzoquinolizine-2-carboxylic acid-containing compositions
    Publication number: 20040176337
    Abstract: This invention relates to topical compositions of an antibacterial benzoquinolizine-2-carboxylic acid, incorporated either as the single therapeutic ingredient in hitherto undescribed pharmaceutical compositions, or as an ingredient in novel combination with at least one agent selected from a retinoid, an antifungal agent, another antibacterial compound and/or a steroid/non-steroid anti-inflammatory agent, to processes for preparation of the compositions, to use of the compositions in preparation of a medicament, and to a method of therapeutic or prophylactic use of such a composition for the treatment of dermal, ophthalmic, otic and nasal infections, with or without attendant inflammation.
    Type: Application
    Filed: December 31, 2003
    Publication date: September 9, 2004
    Applicant: WOCKHARDT LIMITED
    Inventors: Dilip G. Saoji, Rajendra N. Nagori, Milind C. Shukla, Sachin Bhagwat, Shrikant V. Gupte, Mahesh V. Patel, Rasendrakumar Jha, Anil Kukreja, Noel J. De Souza
  • Antibacterial cyano-(substituted)-methylenepiperidinophenyl oxazolidinones targeting multiple ribonucleoprotein sites
    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
  • Crystalline fluoroquinolone arginine salt form
    Publication number: 20040063948
    Abstract: The invention relates to the new arginine salt forms of RS-(±)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, S-(−)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, R-(+)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, a process for their preparation and pharmaceutical formulations which comprise those arginine salt forms as the active ingredient for its use in treating microbial infections.
    Type: Application
    Filed: September 25, 2003
    Publication date: April 1, 2004
    Applicant: WOCKHARDT LIMITED
    Inventors: Noel J. de Souza, Prasad K. Deshpande, Milind C. Shukla, Siddiqui M. Jaweed Mukarram, Dilip Ganesh Kulkarni, Ansari Azizur Rahman, Ravindra D. Yeole, Mahesh V. Patel, Shrikant V. Gupte
  • Crystalline fluoroquinolone arginine salt form
    Patent number: 6664267
    Abstract: The invention relates to the new arginine salt forms of RS-(±)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, S-(−)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, R-(+)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, a process for their preparation and pharmaceutical formulations which comprise those arginine salt forms as the active ingredient for its use in treating microbial infections.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: December 16, 2003
    Assignee: Wockhardt Limited
    Inventors: Noel J. de Souza, Prasad K Deshpande, Milind C. Shukla, Siddiqui M Jaweed Mukarram, Dilip Ganesh Kulkarni, Ansari Azizur Rahman, Ravindra D Yeole, Mahesh V Patel, Shrikant V Gupte
  • CRYSTALLINE FLUOROQUINOLONE ARGININE SALT FORM
    Publication number: 20030225119
    Abstract: The invention relates to the new arginine salt forms of RS-(±)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, S-(−)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, R-(+)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid, a process for their preparation and pharmaceutical formulations which comprise those arginine salt forms as the active ingredient for its use in treating microbial infections.
    Type: Application
    Filed: May 28, 2002
    Publication date: December 4, 2003
    Applicant: WOCKHARDT LIMITED
    Inventors: Noel J. de Souza, Prasad K. Deshpande, Milind C. Shukla, Siddiqui M. Jaweed Mukarram, Dilip Ganesh Kulkarni, Ansari Azizur Rahman, Ravindra D. Yeole, Mahesh V. Patel, Shrikant V. Gupte
  • Generation triple-targeting, chiral, broad-spectrum antimicrobial 7-substituted piperidino-Quinolone carboxylic acid derivatives, their preparation, compositions and use as medicaments
    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
  • Inhibitors of cellular efflux pumps of microbes
    Publication number: 20020177559
    Abstract: Compounds are described which are efflux pump inhibitors of cellular efflux pumps of microbes. Also described are methods of preparing such compounds, methods of using such efflux pump inhibitor compounds and pharmaceutical compositions which include such compounds.
    Type: Application
    Filed: July 31, 2001
    Publication date: November 28, 2002
    Applicant: WOCKHARDT LIMITED
    Inventors: Noel John de Souza, Mahesh Vithalbhai Patel, Shrikant V. Gupte, Dilip J. Upadhyay, Milind Chintaman Shukla, Nishith C. Chaturvedi, Satish B. Bhawsar, Sheela Chandresekharan Nair, Mohammed A. Jafri, Habil Fakhruddin Khorakiwala