Patents Assigned to Unichem Laboratories Ltd.
  • Patent number: 11965003
    Abstract: A modified lectin protein is provided having at least one amino acid modification in an amino acid sequence of SEQ ID NO. 1 orin an amino acid sequence having at least 60% homology thereto. The amino acid modification is selected from one of more of the following: at least one amino acid modification in a carbohydrate binding site; at least one amino acid modification in the N-terminus; at least one amino acid modification at position 76; or at least one amino acid modification at position 44 or 89. The modified lectin protein does not consist of the amino acid sequence of any of SEQ ID NOs: 2 to 4.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 23, 2024
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay Sathe, Sudeep Kumar
  • Patent number: 11891384
    Abstract: The present invention relates to the novel key intermediate, 4-{4-[(SS)-(Aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-phenyl}-morpholin-3-one perchlorate, m the synthesis of rivaroxaban. The invention further relates to the crystalline form of novel intermediate, the process to prepare the novel intermediate and method of preparing rivaroxaban using this novel intermediate. The invention provides an improved and efficient process for preparation of Rivaroxaban.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: February 6, 2024
    Assignee: Unichem Laboratories Ltd
    Inventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Yashwant S. Surve, Bhushan S. Pandit
  • Patent number: 11510909
    Abstract: The present disclosure relates to a stable, reproducible and bioequivalent apixaban compositions, wherein the composition comprising apixaban having a D90 particle size of more than 100 microns, preferably between 300 and 1000 microns, and more preferably between 350 and 800 microns, and further comprising one or more pharmaceutically acceptable excipients. The present disclosure further provides a process for preparation of a pharmaceutical composition comprising apixaban by wet granulation.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: November 29, 2022
    Assignee: UNICHEM LABORATORIES LTD.
    Inventors: Dhananjay Sathe, Srikant V. Pimple, Pravin Kumar Maurya, Dhananjay Pramod Tattu, Milind Vinayak Sathe, Sr.
  • Publication number: 20220339241
    Abstract: The present invention relates to stable formulations of recombinant proteins. The invention specifically relates to the formulations of recombinant lectins derived from Sclerotium rolfsii lectin. The formulation comprises recombinant lectin derived from Sclerotium rolfsii lectin and a pharmaceutically acceptable excipient. The invention also relates to the stable liquid and/or lyophilized formulations comprising recombinant lectins derived from Sclerotium rolfsii lectin.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 27, 2022
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay SATHE, Bijay PADHI, Vivek MISHRA, Anupam JAIN
  • Publication number: 20220257704
    Abstract: The present invention relates to the combination chemotherapy with recombinant lectin protein. The invention specifically relates to the cytotoxic effect of recombinant lectin protein having amino acid sequence of SEQ ID NO: 1 in combination with other therapeutic agents, wherein the other therapeutic agents are anti-cancer agents. The combinations are highly synergistic and efficacious against several cancers.
    Type: Application
    Filed: November 18, 2019
    Publication date: August 18, 2022
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay SATHE, Sudeep KUMAR, Sachin Prabhakar BACHATE, Mohanish Pradeep KANKONKAR
  • Patent number: 11331283
    Abstract: A pharmaceutical composition containing cinacalcet or pharmaceutically acceptable salts thereof and one or more pharmaceutically acceptable excipients. A pharmaceutical composition containing cinacalcet or pharmaceutically acceptable salts thereof having a particle size distribution D90 equal to or less than 20 ?m, D50 equal to or less than 10 ?m, and D10 equal to or less than 5 ?m and one or more and binders in an amount of 0.9% w/w or less, relative to the total weight of composition, where the composition is not free of binder and that the total amount of binder does not exceed 0.9% w/w relative to the total weight of the composition.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: May 17, 2022
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay Sathe, Srikant Pimple, Pravin Kumar Maurya
  • Patent number: 11266628
    Abstract: The present invention relates to a disintegrant free pharmaceutical composition comprising apremilast or pharmaceutically acceptable salts thereof and one or more pharmaceutically acceptable excipients. Particularly the present invention relates to disintegrant free immediate release dosage form comprising apremilast or pharmaceutically acceptable salts thereof and one or more pharmaceutically acceptable excipients. It further relates to process of preparing such composition and its use in psoriatic arthritis and psoriasis.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: March 8, 2022
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay Sathe, Srikant Pimple, Pradeep Kumar Gupta, Vishal Jadhav
  • Publication number: 20220047671
    Abstract: The present invention relates to a lectin for use in the treatment, reduction in progression and curing of inflammation in a subject in need thereof. Pharmaceutical compositions comprising said lectin are also described. The lectin may comprise an amino acid sequence having sequence of SEQ ID NO: 1 or at least 60% homology to SEQ ID NO: 1.
    Type: Application
    Filed: September 14, 2019
    Publication date: February 17, 2022
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay SATHE, Sudeep KUMAR, Mamata KATDARE
  • Publication number: 20210387979
    Abstract: The present invention relates to the novel key intermediate, 4-{4-[(SS)-(Aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-phenyl}-morpholin-3-one perchlorate, m the synthesis of rivaroxaban. The invention further relates to the crystalline form of novel intermediate, the process to prepare the novel intermediate and method of preparing rivaroxaban using this novel intermediate. The invention provides an improved and efficient process for preparation of Rivaroxaban.
    Type: Application
    Filed: May 3, 2021
    Publication date: December 16, 2021
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay G. SATHE, Arijit DAS, SanJay RAIKAR, Yashwant S. SURVE, Bhushan S. PANDIT
  • Publication number: 20210324438
    Abstract: The present invention relates to the process to prepare recombinant lectin having amino acid sequence of SEQ ID NO:1, wherein the process comprises fed-batch fermentation of a clone in a host cell at specific feeding rate with carbon to Nitrogen ratio of 3:1 to 6:1. The invention also relates to the process of purification of recombinant lectin having amino acid sequence of SEQ ID NO: 1.
    Type: Application
    Filed: September 5, 2019
    Publication date: October 21, 2021
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay SATHE, Sudeep KUMAR, Mamata KATDARE
  • Publication number: 20210317171
    Abstract: A modified lectin protein is provided having at least one amino acid modification in an amino acid sequence of SEQ ID NO. 1 or in an amino acid sequence having at least 60% homology thereto. The amino acid modification is selected from one of more of the following: at least one amino acid modification in a carbohydrate binding site; at least one amino acid modification in the N-terminus; at least one amino acid modification at position 76; or at least one amino acid modification at position 44 or 89. The modified lectin protein does not consist of the amino acid sequence of any of SEQ ID NOs: 2 to 4.
    Type: Application
    Filed: August 30, 2019
    Publication date: October 14, 2021
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay SATHE, Sudeep KUMAR
  • Patent number: 11034683
    Abstract: The present invention relates to the novel key intermediate, 4-{4-[(5S)-(Aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]-phenyl}-morpholin-3-one perchlorate, in the synthesis of rivaroxaban. The invention further relates to the crystalline form of novel intermediate, the process to prepare the novel intermediate and method of preparing rivaroxaban using this novel intermediate. The invention provides an improved and efficient process for preparation of Rivaroxaban.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: June 15, 2021
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Yashwant S. Surve, Bhushan S. Pandit
  • Patent number: 11020390
    Abstract: The invention relates to vortioxetine hydrobromide having particle size distribution of D98 100-200?, D50 35-90? and D5 7-30? as well as to a stable, reproducible and bioequivalent pharmaceutical composition comprising vortioxetine hydrobromide having particle size distribution of D98 100-200?, D50 35-90? and D5 7-30? and one or more pharmaceutically acceptable excipient. It is produced by wet granulation techniques.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: June 1, 2021
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay Sathe, Bijay Kumar Padhi, Pravin Kumar Maurya
  • Patent number: 10919855
    Abstract: An alternative and improved process for the preparation of Apremilast (Formula I) and Apremilast form B or a pharmaceutically acceptable salt thereof is provided. The novel process includes hydrogenation in acetone, Cyclization and acetylation followed by condensation in methyl isobutyl ketone (MIBK) and acetic acid mixture in specific volume ratios.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: February 16, 2021
    Assignee: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay G. Sathe, Arijit Das, Bhavesh B. Patel, Dipak Subhash Patil, Ashok Govind Matale, Eknath Kamalakar Kshirsagar
  • Patent number: 10836730
    Abstract: The present invention is related to an improved process for the preparation and purification of crystalline Vortioxetine hydrobromide of Formula-I. The process according to present invention is operationally simple and suitable for industrial application which will avoid hazardous chemicals and eliminate column chromatography to get ICH quality of pharmaceutically acceptable active pharmaceutical ingredient having snow white appearance.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: November 17, 2020
    Assignee: UNICHEM LABORATORIES LTD.
    Inventors: Dhananjay G. Sathe, Arijit Das, Vishal Kulkarni, Tushar Patil, Yogesh Patil, Prafulla Nagawade
  • Publication number: 20200215002
    Abstract: A pharmaceutical composition containing cinacalcet or pharmaceutically acceptable salts thereof and one or more pharmaceutically acceptable excipients. A pharmaceutical composition containing cinacalcet or pharmaceutically acceptable salts thereof having a particle size distribution D90 equal to or less than 20 ?m, D50 equal to or less than 10 ?m, and D10 equal to or less than 5 ?m and one or more and binders in an amount of 0.9% w/w or less, relative to the total weight of composition, where the composition is not free of binder and that the total amount of binder does not exceed 0.9% w/w relative to the total weight of the composition.
    Type: Application
    Filed: August 13, 2018
    Publication date: July 9, 2020
    Applicant: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay SATHE, Srikant PIMPLE, Pravin Kumar MAURYA
  • Publication number: 20200010429
    Abstract: The present invention is related to an improved process for the preparation and purification of crystalline Vortioxetine hydrobromide of Formula-I. The process according to present invention is operationally simple and suitable for industrial application which will avoid hazardous chemicals and eliminate column chromatography to get ICH quality of pharmaceutically acceptable active pharmaceutical ingredient having snow white appearance.
    Type: Application
    Filed: February 21, 2018
    Publication date: January 9, 2020
    Applicant: Unichem Laboratories Ltd
    Inventors: Dhananjay G. SATHE, Arijit DAS, Vishal KULKARNI, Tushar PATIL, Yogesh PATIL, Prafulla NAGAWADE
  • Patent number: 10414720
    Abstract: The present invention relates to an improved process for the synthesis of (R)-Lacosamide in which free base of O-methyl-N-benzyl-D-Serinamide is not isolated before acylation. The process avoids the use of column chromatography and chiral resolution for the preparation of different stages of Lacosamide.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: September 17, 2019
    Assignee: Unichem Laboratories Ltd.
    Inventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Rahul Bhagwatkar, Ramdas Ahire
  • Publication number: 20190047944
    Abstract: The present invention relates to an improved process for the synthesis of (R)-Lacosamide in which free base of O-methyl-N-benzyl-D-Serinamide is not isolated before acylation. The process avoids the use of column chromatography and chiral resolution for the preparation of different stages of Lacosamide.
    Type: Application
    Filed: June 12, 2017
    Publication date: February 14, 2019
    Applicant: UNICHEM LABORATORIES LTD
    Inventors: Dhananjay D. SATHE, Arijit DAS, Sanjay RAIKAR, Rahul BHAGWATKAR, Ramdas AHIRE
  • Patent number: 8338638
    Abstract: Derivatives of anacardic acid having antimicrobial properties and method for preparing said derivatives. The antimicrobial properties include bacteriostatic and bacteriocidal activity.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: December 25, 2012
    Assignee: Unichem Laboratories Ltd.
    Inventors: Radha Achanath, Malladi Srinivas, Candadal Seshadri Ramadoss