Patents Assigned to Unichem Laboratories Ltd.
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Patent number: 11965003Abstract: 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: GrantFiled: August 30, 2019Date of Patent: April 23, 2024Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay Sathe, Sudeep Kumar
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Patent number: 11891384Abstract: 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: GrantFiled: May 3, 2021Date of Patent: February 6, 2024Assignee: Unichem Laboratories LtdInventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Yashwant S. Surve, Bhushan S. Pandit
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Patent number: 11510909Abstract: 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: GrantFiled: February 1, 2018Date of Patent: November 29, 2022Assignee: UNICHEM LABORATORIES LTD.Inventors: Dhananjay Sathe, Srikant V. Pimple, Pravin Kumar Maurya, Dhananjay Pramod Tattu, Milind Vinayak Sathe, Sr.
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Publication number: 20220339241Abstract: 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: ApplicationFiled: July 7, 2020Publication date: October 27, 2022Applicant: Unichem Laboratories LtdInventors: Dhananjay SATHE, Bijay PADHI, Vivek MISHRA, Anupam JAIN
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Publication number: 20220257704Abstract: 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: ApplicationFiled: November 18, 2019Publication date: August 18, 2022Applicant: Unichem Laboratories LtdInventors: Dhananjay SATHE, Sudeep KUMAR, Sachin Prabhakar BACHATE, Mohanish Pradeep KANKONKAR
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Patent number: 11331283Abstract: 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: GrantFiled: August 13, 2018Date of Patent: May 17, 2022Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay Sathe, Srikant Pimple, Pravin Kumar Maurya
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Patent number: 11266628Abstract: 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: GrantFiled: October 1, 2018Date of Patent: March 8, 2022Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay Sathe, Srikant Pimple, Pradeep Kumar Gupta, Vishal Jadhav
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Publication number: 20220047671Abstract: 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: ApplicationFiled: September 14, 2019Publication date: February 17, 2022Applicant: Unichem Laboratories LtdInventors: Dhananjay SATHE, Sudeep KUMAR, Mamata KATDARE
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Publication number: 20210387979Abstract: 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: ApplicationFiled: May 3, 2021Publication date: December 16, 2021Applicant: Unichem Laboratories LtdInventors: Dhananjay G. SATHE, Arijit DAS, SanJay RAIKAR, Yashwant S. SURVE, Bhushan S. PANDIT
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Publication number: 20210324438Abstract: 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: ApplicationFiled: September 5, 2019Publication date: October 21, 2021Applicant: Unichem Laboratories LtdInventors: Dhananjay SATHE, Sudeep KUMAR, Mamata KATDARE
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Publication number: 20210317171Abstract: 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: ApplicationFiled: August 30, 2019Publication date: October 14, 2021Applicant: Unichem Laboratories LtdInventors: Dhananjay SATHE, Sudeep KUMAR
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Patent number: 11034683Abstract: 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: GrantFiled: December 21, 2017Date of Patent: June 15, 2021Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Yashwant S. Surve, Bhushan S. Pandit
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Patent number: 11020390Abstract: 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: GrantFiled: February 15, 2018Date of Patent: June 1, 2021Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay Sathe, Bijay Kumar Padhi, Pravin Kumar Maurya
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Patent number: 10919855Abstract: 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: GrantFiled: April 27, 2018Date of Patent: February 16, 2021Assignee: UNICHEM LABORATORIES LTDInventors: Dhananjay G. Sathe, Arijit Das, Bhavesh B. Patel, Dipak Subhash Patil, Ashok Govind Matale, Eknath Kamalakar Kshirsagar
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Patent number: 10836730Abstract: 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: GrantFiled: February 21, 2018Date of Patent: November 17, 2020Assignee: UNICHEM LABORATORIES LTD.Inventors: Dhananjay G. Sathe, Arijit Das, Vishal Kulkarni, Tushar Patil, Yogesh Patil, Prafulla Nagawade
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Publication number: 20200215002Abstract: 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: ApplicationFiled: August 13, 2018Publication date: July 9, 2020Applicant: UNICHEM LABORATORIES LTDInventors: Dhananjay SATHE, Srikant PIMPLE, Pravin Kumar MAURYA
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Publication number: 20200010429Abstract: 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: ApplicationFiled: February 21, 2018Publication date: January 9, 2020Applicant: Unichem Laboratories LtdInventors: Dhananjay G. SATHE, Arijit DAS, Vishal KULKARNI, Tushar PATIL, Yogesh PATIL, Prafulla NAGAWADE
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Patent number: 10414720Abstract: 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: GrantFiled: June 12, 2017Date of Patent: September 17, 2019Assignee: Unichem Laboratories Ltd.Inventors: Dhananjay G. Sathe, Arijit Das, Sanjay Raikar, Rahul Bhagwatkar, Ramdas Ahire
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Publication number: 20190047944Abstract: 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: ApplicationFiled: June 12, 2017Publication date: February 14, 2019Applicant: UNICHEM LABORATORIES LTDInventors: Dhananjay D. SATHE, Arijit DAS, Sanjay RAIKAR, Rahul BHAGWATKAR, Ramdas AHIRE
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Patent number: 8338638Abstract: Derivatives of anacardic acid having antimicrobial properties and method for preparing said derivatives. The antimicrobial properties include bacteriostatic and bacteriocidal activity.Type: GrantFiled: August 24, 2007Date of Patent: December 25, 2012Assignee: Unichem Laboratories Ltd.Inventors: Radha Achanath, Malladi Srinivas, Candadal Seshadri Ramadoss