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).

  • Publication number: 20240010618
    Abstract: The present invention relates to a process for the preparation of brivaracetam, a compound of formula I and salts thereof. The present invention also relates to a compound of formula II and a compound of formula IIA, process for its preparation and conversion thereof to brivaracetam, the compound of formula I.
    Type: Application
    Filed: December 23, 2021
    Publication date: January 11, 2024
    Inventors: Sandip Tukaram Gadge, Shrikant Prabhakar Keshav, Nandkumar Gaikwad, Rajendra Jagdhane, Sharad Gore, Ganesh Bhaskar Chaudhari, Bhavin Prabhudas Thanki, Suresh Kadam, Shekhar Bhaskar Bhirud, Venkata Raghavendra Acharyulu Palle
  • Publication number: 20230095474
    Abstract: The present invention relates to a process for the preparation of lasmiditan, a compound of formula I, or pharmaceutically acceptable salts thereof, the process comprising reacting a compound of formula IV with morpholine to obtain a compound of formula II, reacting the of formula III with a compound of formula IIA to obtain lasmiditan or salt thereof.
    Type: Application
    Filed: January 27, 2021
    Publication date: March 30, 2023
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Shafakat Ali Nasir Ali, Pramod Vitthal Patil, Deepak Baviskar, Mahendra Ramesh Patil, Venkata Raghavendra Acharyulu Palle
  • Patent number: 11447448
    Abstract: The present invention relates to solriamfetol or novel salts thereof and its process for preparation. More particularly the present invention relates to solriamfetol dibenzoyl-D-tartaric acid salt or solriamfetol di-p-toluoyl-D-tartaric acid salt and their process for preparation. Further the present invention relates to use of solriamfetol dibenzoyl-D-tartaric acid salt or solriamfetol di-p-toluoyl-D-tartaric acid salt for the preparation of solriamfetol hydrochloride.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 20, 2022
    Assignee: Glenmark Life Sciences Limited
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Jr., Sushanta K. Mishra, Rahul Bhalchadrarao Kawthekar, Deepak Shantaram Patekar, Nitesh Patil
  • Publication number: 20220259209
    Abstract: The present invention relates to crystalline abrocitinib characterized by X-ray powder diffraction (XRPD) spectrum having peak reflections at about 12.9, 14.7, 19.4, 23.2 and 25.2±0.2 degrees 2 theta, and process for its preparation. The present invention relates to amorphous solid dispersion comprising abrocitinib or salt thereof together with at least one pharmaceutically acceptable carrier and process for its preparation.
    Type: Application
    Filed: June 16, 2020
    Publication date: August 18, 2022
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Vishweshwar Peddy, Shailendra Nilkanth Bhadane, Vinayak Kacheshwar Bhujade
  • Publication number: 20220251112
    Abstract: The present invention relates to process for preparation of N1-(5-Chloropyridin-2-yl)-N2-[(1S,2R,4S)-4-(N,N-dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo [5,4-c]pyridin-2-ylcarboxamido)cyclohexyl]oxamide p-toluene sulfonate monohydrate [edoxaban tosylate monohydrate], the compound of formula I, comprising reacting compound of formula VI with compound of formula V to obtain the compound of formula IV and further converting it to edoxaban tosylate monohydrate in an industrially feasible process.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 11, 2022
    Inventors: Prem Chand, Pramod Vitthal Patil, Balasahab Jadhav, Sachin Mahadeo Lad, Samir Naik, Shekhar Bhaskar Bhirud, Nasir Ali Shafakat Ali
  • Publication number: 20220162159
    Abstract: The present invention relates to solriamfetol or novel salts thereof and its process for preparation. More particularly the present invention relates to solriamfetol dibenzoyl-D-tartaric acid salt or solriamfetol di-p-toluoyl-D-tartaric acid salt and their process for preparation. Further the present invention relates to use of solriamfetol dibenzoyl-D-tartaric acid salt or solriamfetol di-p-toluoyl-D-tartaric acid salt for the preparation of solriamfetol hydrochloride.
    Type: Application
    Filed: August 9, 2019
    Publication date: May 26, 2022
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Sushanta K. Mishra, Rahul Bhalchadrarao Kawthekar, Deepak Shantaram Patekar, Nitesh Patll
  • Patent number: 10858387
    Abstract: The present invention provides a process for preparation of deoxycholic acid or salt thereof; the process comprises the steps of reacting the compound of formula II to obtain a compound of formula III; the compound of formula III is converted to a compound of formula IV and the compound of formula IV is converted to deoxycholic acid. The present invention also provides a process for the purification of deoxycholic acid or salt thereof.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: December 8, 2020
    Assignee: GLENMARK LIFE SCIENCES LIMITED
    Inventors: Ranjeet Nair, Shekhar Bhaskar Bhirud, Nandkumar Gaikwad, Sharad R. Gore, Rajendra C. Jagdhane, Sandip Gadge, Sukumar Sinha
  • Publication number: 20200172560
    Abstract: The present invention relates to a process for the preparation of crisaborole, the process comprising reacting a compound of formula IIa with a compound of formula III to give a compound of formula IV and converting the compound of formula IV to crisaborole. The present invention also relates to a process for the preparation of crystalline crisaborole.
    Type: Application
    Filed: May 31, 2018
    Publication date: June 4, 2020
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Amit Tewari, Yogesh Baburao Kajale, Mahendra Jorna Choraghe, Sanjay Sakharam Pawar
  • Patent number: 10556877
    Abstract: The present invention relates to a process for the preparation of amorphous dapagliflozin. The present invention relates to 2,3-butanediol solvate of dapagliflozin and process for its preparation.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 11, 2020
    Assignee: Glenmark Life Sciences Limited
    Inventors: Shekhar Bhaskar Bhirud, Kumar Hari Bhushan, Raghu Ram Suraparaju, Nandkumar Gaikwad, Sharad Gore, Rajendra Jagdhane, Mandar Kulkarni
  • Patent number: 10494342
    Abstract: The present invention relates to a process for preparation of apremilast. The present invention relates to p-xylene solvate of apremilast and process for its preparation.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: December 3, 2019
    Assignee: Glenmark Life Sciences Limited
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Sandeep Bandu Khandagale, Sunil Pandurang Nirgude, Ajit Shankar Mindhe, Rajesh Kumar Dwivedi
  • Publication number: 20190337932
    Abstract: The present invention relates to crystalline daclatasvir dihydrochloride hydrate and process for its preparation.
    Type: Application
    Filed: July 13, 2017
    Publication date: November 7, 2019
    Inventors: Prem Chand, Yogesh YADAV, Amit Anant THANEDAR, Mohammad A. KHAN, Ranjeet NAIR, Sukumar SINHA, Shekhar Bhaskar BHiRUD
  • Patent number: 10457695
    Abstract: The present invention relates to process for preparation of tavaborole with high purity. The present invention relates to method of assessing the purity of tavaborole.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: October 29, 2019
    Assignee: Glenmark Life Sciences Limited
    Inventors: Srinivasan Subramanian Kuduva, Rajender, Mahendra Joma Choraghe, Samir Naik, Shekhar Bhaskar Bhirud
  • Publication number: 20190023724
    Abstract: The present invention relates to process for preparation of tavaborole with high purity. The present invention relates to method of assessing the purity of tavaborole.
    Type: Application
    Filed: January 12, 2017
    Publication date: January 24, 2019
    Inventors: Srinivasan Subramanian Kuduva, Rajender N/A, Mahendra CHORAGHE, Samir NAIK, Shekhar Bhaskar BHIRUD
  • Publication number: 20190010123
    Abstract: The present invention relates to a process for preparation of apremilast. The present invention relates to p-xylene solvate of apremilast and process for its preparation.
    Type: Application
    Filed: August 22, 2016
    Publication date: January 10, 2019
    Inventors: Shekhar Bhaskar BHIRUD, Suresh Mahadev KADAM, Sachin Baban GAVHANE, Sandeep Bandu KHANDAGALE, Sunil Pandurang NIRGUDE, Ajit Shankar MINDHE, Rajesh Kumar DWIVEDI
  • Patent number: 10138190
    Abstract: The present invention relates to a process for the preparation of ospemifene and pharmaceutically acceptable salts thereof which comprises the step of recycling the undesired E-4-(4-hydroxy-1,2-diphenylbut-1-enyl)phenol to generate an isomeric mixture of Z,E-4-(4-hydroxy-1,2-diphenylbut-1-enyl)phenol.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: November 27, 2018
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Veerabhadra Swamy, Kumar Hari Bhushan, Shekhar Bhaskar Bhirud, Dilipkumar Jibhau Patil, Eknath Kundlik Khemnar
  • Patent number: 10138206
    Abstract: Provided is novel amorphous form of lomitapide mesylate salt and process for preparation thereof.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: November 27, 2018
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Sushanta Mishra, Vipin Pandey, Deepak S. Patekar
  • Patent number: 10125115
    Abstract: The present invention relates to a process for the preparation of Efinaconazole and salts thereof.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: November 13, 2018
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Samir Naik, Sushanta Mishra, Abhijit Pardeshi, Sri Hari Galla, Suresh Babu Narayanan
  • Patent number: 10106483
    Abstract: Provided is a process for preparing azelaic acid.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: October 23, 2018
    Assignee: GLENMARK PHARMACEUTICALS LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Kumar Hari Bhushan, Prem Chand, Amit Anant Thanedar, Amol Anant Kadam, Krishna Baban Narawade
  • Publication number: 20180162833
    Abstract: The present invention relates to a process for the preparation of Efinaconazole and salts thereof.
    Type: Application
    Filed: June 1, 2016
    Publication date: June 14, 2018
    Inventors: Shekhar Bhaskar BHIRUD, Samir NAIK, Sushanta MISHRA, Abhijit PARDESHI, Sri Hari GALLA, Suresh Babu NARAYANAN
  • Publication number: 20180127391
    Abstract: The present invention relates to a process for the preparation of amorphous dapagliflozin. The present invention relates to 2,3-butanediol solvate of dapagliflozin and process for its preparation.
    Type: Application
    Filed: May 4, 2016
    Publication date: May 10, 2018
    Inventors: Shekhar Bhaskar Bhirud, Kumar Hari BHUSHAN, Raghu Ram SURAPARAJU, Nandkumar GAIKWAD, Sharad GORE, Rajendra JAGDHANE, Mandar KULKARNI