Patents by Inventor Shekhar Bhaskar Bhirud

Shekhar Bhaskar Bhirud 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 PREPARATION OF LULICONAZOLE
    Publication number: 20170362212
    Abstract: A process for the preparation of luliconazole and salts thereof is disclosed.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 21, 2017
    Inventors: Shekhar Bhaskar BHIRUD, Kumar Hari BHUSHAN, Sunil Sudhakar ZHOPE, Shailesh Govind GHADIGAONKAR, Fardeep SINGH, Shekhar Ashok DESHMUKH, Prem CHAND
  • Process for preparation of dimethyl fumarate
    Patent number: 9840456
    Abstract: The present invention relates to a process for the preparation of dimethyl fumarate, a compound of formula I, in a purity of at least 99.0% as determined by HPLC, containing less than 400 ppm of an anion of a mineral acid and less than 5 ppm of dimethyl maleate.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: December 12, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Kumar Hari Bhushan, H M Veerabhadra Swamy, Dilipkumar Jibhau Patil, Avikumar Digambar Dabe
  • PROCESS FOR PREPARATION OF AZELAIC ACID
    Publication number: 20170334825
    Abstract: Provided is a process for preparing azelaic acid.
    Type: Application
    Filed: October 21, 2015
    Publication date: November 23, 2017
    Inventors: Shekhar Bhaskar BHIRUD, Kumar Hari BHUSHAN, Prem CHAND, Amit Anant THANEDAR, Amol Anant KADAM, Krishna Baban NARAWADE
  • AMORPHOUS FORM OF LOMITAPIDE MESYLATE
    Publication number: 20170305858
    Abstract: Provided is novel amorphous form of lomitapide mesylate salt and process for preparation thereof.
    Type: Application
    Filed: October 6, 2015
    Publication date: October 26, 2017
    Inventors: Shekhar Bhaskar BHIRUD, Samir NAIK, Sushanta MISHRA, Vipin PANDEY, Deepak S. PATEKAR
  • Process for preparation of alogliptin
    Patent number: 9776985
    Abstract: Provided is a novel process for the preparation of alogliptin.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: October 3, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Navin Ganesh Bhatt, Samir Naik, Ajay Kumar Sharma, Mahendra Joma Choraghe, Shekhar Bhaskar Bhirud
  • Process for preparation of canagliflozin
    Patent number: 9695159
    Abstract: The present invention relates to a process for the preparation of canagliflozin and intermediates thereof.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: July 4, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Sachin Srivastava, Dinesh Deore, Sukumar Sinha
  • Process for the preparation of tofacitinib and intermediates thereof
    Patent number: 9670160
    Abstract: The present invention relates to process for the preparation of tofacitinib and intermediates thereof.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 6, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Sushanta Mishra, Suresh Babu Narayanan, Sachin Bhagwan Naykodi, Abhijit Ajaysinh Pardeshi, Ashu Dhiman, Samir Naik
  • Process for the preparation of rivaroxaban
    Patent number: 9663505
    Abstract: Disclosed is a process for the preparation of rivaroxaban and purifying rivaroxaban.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 30, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shrikant Prabhakar Keshav, Sanjay Shashikant Bhise, Hemant Harishchandra Kamble, Ganesh Chaudhari, Deepak Subhash Patil, Srinivas Reddy Sanikommu, Kumar Hari Bhushan, Shekhar Bhaskar Bhirud
  • Process for the preparation of dipeptidylpeptidase inhibitors
    Patent number: 9593119
    Abstract: The present invention provides a process for the preparation of linagliptin, a compound of Formula I, the process comprising deprotecting a compound of Formula II wherein R1 and R2 together with the nitrogen to which they are attached form a phthalimido group, wherein the aromatic ring of the phthalimido group is substituted with one or more R3 substituents selected from the group consisting of halogen, alkyl, nitro and amino; or R1 is H and R2 is selected from the group consisting of trialkylsilyl, 2-trialkylsilylethoxycarbamates, acetyl, trihaloacetyl, 9-fluorenylmethoxycarbonyl, trityl, alkylsulfonyl, arylsulfonyl, diphenylphosphine and sulfonylethoxycarbonyl.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 14, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Sunil Kumar Singh, Sachin Srivastava, Shekhar Bhaskar Bhirud
  • Process for the preparation and purification of apixaban
    Patent number: 9567332
    Abstract: The present invention provides a process for the preparation and purification of apixaban.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: February 14, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Sushanta Mishra, Suresh Babu Narayanan, Sachin Bhagwan Naykodi, Samir Naik, Sachin Srivastava, Pramod Vitthal Patil
  • Process for the preparation of ivacaftor and solvates thereof
    Patent number: 9550735
    Abstract: The present invention provides process for the preparation of ivacaftor and solvates thereof.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: January 24, 2017
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Sachin Srivastava, Ramesh Santosh Badgujar, Sachin Lad, Sukumar Sinha, Mohammad Amjed Khan
  • Process for the preparation of teneligliptin
    Patent number: 9518048
    Abstract: A process for the preparation of teneligliptin.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: December 13, 2016
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Suresh Mahadev Kadam, Bipin Parsottam Kansagra, Ramchandran Vishnue Kale, Jayant Prakashrao Patil, Venkataramana Reddy Yemireddy, Shailendra Nilkanth Bhadane, Uddhav Popat Chaudhar, Ulhas Digambar Patil, Shekhar Bhaskar Bhirud
  • PROCESS FOR PREPARATION OF ALOGLIPTIN
    Publication number: 20160340333
    Abstract: Provided is a novel process for the preparation of alogliptin.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 24, 2016
    Inventors: Navin Ganesh Bhatt, Samir Naik, Ajay Kumar Sharma, Mahendra Joma Choraghe, Shekhar Bhaskar Bhirud
  • Process for the preparation of arformoterol or salt thereof
    Patent number: 9499475
    Abstract: Provided is an improved process for the preparation of arformoterol L-(+)-tartrate, and more specifically provided is a novel process for the preparation of arformoterol L-(+)-tartrate via arformoterol D-(?)-tartrate.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: November 22, 2016
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Shailesh Shrirang Pawase, Aniket Ashokrao Deshpande, Anil Subhash Bhujbal
  • PROCESS FOR THE PREPARATION OF DIPEPTIDYLPEPTIDASE INHIBITORS
    Publication number: 20160272642
    Abstract: The present invention provides a process for the preparation of linagliptin, a compound of Formula I, the process comprising deprotecting a compound of Formula II wherein R1 and R2 together with the nitrogen to which they are attached form a phthalimido group, wherein the aromatic ring of the phthalimido group is substituted with one or more R3 substituents selected from the group consisting of halogen, alkyl, nitro and amino; or R1 is H and R2 is selected from the group consisting of trialkylsilyl, 2-trialkylsilylethoxycarbamates, acetyl, trihaloacetyl, 9-fluorenylmethoxycarbonyl, trityl, alkylsulfonyl, arylsulfonyl, diphenylphosphine and sulfonylethoxycarbonyl.
    Type: Application
    Filed: March 22, 2016
    Publication date: September 22, 2016
    Inventors: Sunil Kumar Singh, Sachin Srivastava, Shekhar Bhaskar Bhirud
  • PROCESS FOR PREPARATION OF DIMETHYL FUMARATE
    Publication number: 20160237021
    Abstract: The present invention relates to a process for the preparation of dimethyl fumarate, a compound of formula I, in a purity of at least 99.0% as determined by HPLC, containing less than 400 ppm of an anion of a mineral acid and less than 5 ppm of dimethyl maleate.
    Type: Application
    Filed: September 22, 2014
    Publication date: August 18, 2016
    Inventors: Shekhar Bhaskar BHIRUD, Kumar Hari BHUSHAN, H M Veerabhadra SWAMY, Dilipkumar Jibhau PATIL, Avikumar Digambar DABE
  • Process for the preparation of dipeptidylpeptidase inhibitors
    Patent number: 9353114
    Abstract: Provided is a process for the preparation of linagliptin of Formula I, comprising deprotecting a compound of Formula II wherein R1 and R2 together with the nitrogen to which they are attached form a phthalimido group, wherein the aromatic ring of the phthalimido group is substituted with one or more R3 substituents selected from the group consisting of halogen, alkyi, nitro and amino; or R1 is H and R2 is selected from the group consisting of trialkylsilyl, 2-trialkylsilylethoxycarbamates, acetyl, trihaloacetyl, 9-fluorenylmethoxycarbonyl, trityl, alkylsulfonyl, arylsulfonyl, diphenylphosphine and sulfonylethoxycarbonyl.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: May 31, 2016
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Sunil Kumar Singh, Sachin Srivastava, Shekhar Bhaskar Bhirud
  • PROCESS FOR THE PREPARATION OF ARFORMOTEROL OR SALT THEREOF
    Publication number: 20160083334
    Abstract: Provided is an improved process for the preparation of arformoterol L-(+)-tartrate, and more specifically provided is a novel process for the preparation of arformoterol L-(+)-tartrate via arformoterol D-(?)-tartrate.
    Type: Application
    Filed: May 15, 2014
    Publication date: March 24, 2016
    Inventors: Shekhar Bhaskar BHIRUD, Suresh Mahadev Kadam, Sachin Baban Gavhane, Shailesh Shrirang Pawase, Aniket Ashokrao Deshpande, Anil Subhash Bhujbal
  • PROCESS FOR THE PREPARATION OF RIVAROXABAN
    Publication number: 20160052919
    Abstract: Disclosed is a process for the preparation of rivaroxaban and purifying rivaroxaban.
    Type: Application
    Filed: March 21, 2014
    Publication date: February 25, 2016
    Applicant: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shrikant Prabhakar Keshav, Sanjay Shashikant BHISE, Hemant Harishchandra KAMBLE, Ganesh CHAUDHARI, Deepak Subhash PATIL, Srinivas Reddy SANIKOMMU, Kumar Hari BHUSHAN, Shekhar Bhaskar BHIRUD
  • PROCESS FOR THE PREPARATION OF IVACAFTOR AND SOLVATES THEREOF
    Publication number: 20150376134
    Abstract: The present invention provides process for the preparation of ivacaftor and solvates thereof.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 31, 2015
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Shekhar Bhaskar BHIRUD, Samir NAIK, Sachin SRIVASTAVA, Ramesh Santosh BADGUJAR, Sachin LAD, Sukumar SINHA, Mohammad Amjed KHAN