Patents by Inventor Amit Kumar Das
Amit Kumar Das 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).
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Publication number: 20260022690Abstract: Provided is a pump system that includes a primary housing having a first part removably coupled to a second part. An intermediate liner is coupled to second part of the primary housing at a first cavity such that the intermediate liner and the first cavity define a secondary fluid chamber. An inner liner is arranged between the first and second parts of the primary housing, the inner liner being removable from the primary housing upon decoupling the first part from the second part of the primary housing. The inner liner defines a primary fluid chamber. A first side of the inner liner is proximate the first part of the primary housing. A second side of the inner liner is proximate the intermediate liner. A valve is coupled to a space between the second side of the inner liner and the intermediate liner to allow air to exit from the space.Type: ApplicationFiled: July 17, 2025Publication date: January 22, 2026Applicant: Viking Pump, Inc.Inventors: David Fowler, Fabrice Pryor, Michael Strei, Rajkumar Bhoopathy, Sathis Sakthivel, Pankaj Kumar, Veeramanikandan Mayakrishnan, Raghunandan Mallikarjungouda Patil, Damodhiran NATARAJAN, Amit Kumar Das, Ankush Ashok Atyalkar, Ruchita Rana, Jimit Jayesh Vyas, Atit Pokle
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Patent number: 12479858Abstract: Disclosed are macrocyclic compounds having the general Formula (I) or (II) and their tautomeric forms, stereoisomers, pharmaceutically acceptable salts, hydrates, solvates and prodrugs thereof, and their combination with suitable medicament, corresponding processes for the synthesis and pharmaceutical compositions and uses of compounds disclosed herein.Type: GrantFiled: July 22, 2020Date of Patent: November 25, 2025Assignee: LUPIN LIMITEDInventors: Navnath Popat Karche, Moloy Banerjee, Nishant Ramnivasji Gupta, Ganesh Rajaram Jadhav, Vinod Popatrao Vyavahare, Amit Kumar Das, Deepak Sahebrao Walke, Vaibhav Madhukar Kalhapure, Smita Aditya Bhoskar, Vidya Ramdas, Venkata P. Palle, Rajender Kumar Kamboj
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Publication number: 20220289763Abstract: Disclosed are macrocyclic compounds having the general Formula (I) or (II) and their tautomeric forms, stereoisomers, pharmaceutically acceptable salts, hydrates, solvates and prodrugs thereof, and their combination with suitable medicament, corresponding processes for the synthesis and pharmaceutical compositions and uses of compounds disclosed herein.Type: ApplicationFiled: July 22, 2020Publication date: September 15, 2022Inventors: Navnath Popat Karche, Moloy Banerjee, Nishant Ramnivasji Gupta, Ganesh Rajaram Jadhav, Vinod Popatrao Vyavahare, Amit Kumar Das, Deepak Sahebrao Walke, Vaibhav Madhukar Kalhapure, Smita Aditya Bhoskar, Vidya Ramdas, Venkata P. Palle, Rajender Kumar Kamboj
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Patent number: 10239869Abstract: The present invention relates to sulfonamide compounds Formula (I) wherein the substituents are as described herein, and their use in a medicine for the treatment of diseases, disorders associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. It further relates to the compounds herein and their pharmaceutically acceptable salts thereof, pharmaceutical compositions thereof useful in treating diseases, disorders, syndromes and/or conditions associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. The invention also relates to process for the preparation of the compounds of the invention.Type: GrantFiled: September 3, 2016Date of Patent: March 26, 2019Assignee: LUPIN LIMITEDInventors: Vidya Ramdas, Rajeshkumar Maganlal Loriya, Moloy Banerjee, Pradeep Rangrao Patil, Advait Arun Joshi, Laxmikant Shamlal Datrange, Deepak Sahebrao Walke, Talha Hussain Khan, Amit Kumar Das, Ganesh Navinchandra Gote, Vaibhav Madhukar Kalhapure, Venkata P. Palle, Rajender Kumar Kamboj
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Publication number: 20180186777Abstract: The present invention relates to sulfonamide compounds Formula (I) wherein the substituents are as described herein, and their use in a medicine for the treatment of diseases, disorders associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. It further relates to the compounds herein and their pharmaceutically acceptable salts thereof, pharmaceutical compositions thereof useful in treating diseases, disorders, syndromes and/or conditions associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. The invention also relates to process for the preparation of the compounds of the invention.Type: ApplicationFiled: September 3, 2016Publication date: July 5, 2018Inventors: Vidya RAMDAS, Rajeshkumar Maganlal LORIYA, Moloy BANERJEE, Pradeep Rangrao PATIL, Advait Arun JOSHI, Laxmikant Shamlal DATRANGE, Deepak Sahebrao WALKE, Talha Hussain KHAN, Amit Kumar DAS, Ganesh Navinchandra GOTE, Vaibhav Madhukar KALHAPURE, Venkata P. PALLE, Rajender Kumar KAMBOJ
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Publication number: 20170137415Abstract: The present invention relates to the compound of Formula (I) wherein the substituents are as described herein, and their use in a medicine for the treatment of diseases, disorders associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. It further relates to the compounds herein and their pharmaceutically acceptable salts thereof, pharmaceutical compositions thereof useful in treating diseases, disorders, syndromes and/or conditions associated with the inhibition of Voltage-gated sodium channels (VGSC) particularly NaV1.7. The invention also relates to process for the preparation of the compounds of the invention.Type: ApplicationFiled: March 27, 2015Publication date: May 18, 2017Inventors: Vidya RAMDAS, Rajeshkumar Maganlal LORIYA, Deepak Sahebrao WALKE, Amit Kumar DAS, Talha Hussain KHAN, Moloy BANERJEE, Venkata P. PALLE, Rajender Kumar KAMBOJ
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Patent number: 9073942Abstract: Disclosed are compounds of formula (I) for use as antiviral agents, particularly as anti-hepatitis virus C agents, wherein A, B, U, R1-R7, m, n, and q are as described herein. Also disclosed are pharmaceutical compositions and methods of treating or preventing viral infection in a host by the use of these compounds, either alone or in combination with other pharmaceutically active agents. Further disclosed are methods of preparing such compounds.Type: GrantFiled: February 9, 2013Date of Patent: July 7, 2015Assignee: Lupin LimitedInventors: Vidya Ramdas, Advait Arun Joshi, Moloy Manoj Banerjee, Amit Kumar Das, Deepak Sahebrao Walke, Venkata P. Palle, Rajender Kumar Kamboj
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Patent number: 9073943Abstract: Disclosed are compounds of formula (I) for use as antiviral agents, particularly as anti-hepatitis virus C agents, wherein R-R 6 and q are as described herein. Also disclosed are pharmaceutical compositions and methods of treating or preventing viral infection in a host by the use of these compounds, either alone or in combination with other pharmaceutically active agents. Further disclosed are methods of preparing such compounds. (I).Type: GrantFiled: February 8, 2013Date of Patent: July 7, 2015Assignee: Lupin LimitedInventors: Vidya Ramdas, Advait Arun Joshi, Moloy Manoj Banerjee, Amit Kumar Das, Deepak Sahebrao Walke, Venkata P. Palle, Rajender Kumar Kamboj
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Publication number: 20150010504Abstract: Disclosed are compounds of formula (I) for use as antiviral agents, particularly as anti-hepatitis virus C agents, wherein A, B, U, R1-R7, m, n, and q are as described herein. Also disclosed are pharmaceutical compositions and methods of treating or preventing viral infection in a host by the use of these compounds, either alone or in combination with other pharmaceutically active agents. Further disclosed are methods of preparing such compounds.Type: ApplicationFiled: February 9, 2013Publication date: January 8, 2015Applicant: Lupin LimitedInventors: Vidya Ramdas, Advait Arun Joshi, Moloy Manoj Banerjee, Amit Kumar Das, Deepak Sahebrao Walke, Venkata P. Palle, Rajender Kumar Kamboj
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Publication number: 20150010505Abstract: Disclosed are compounds of formula (I) for use as antiviral agents, particularly as anti-hepatitis virus C agents, wherein R-R 6 and q are as described herein. Also disclosed are pharmaceutical compositions and methods of treating or preventing viral infection in a host by the use of these compounds, either alone or in combination with other pharmaceutically active agents. Further disclosed are methods of preparing such compounds. (I).Type: ApplicationFiled: February 8, 2013Publication date: January 8, 2015Applicant: LUPIN LIMITEDInventors: Vidya Ramdas, Advait Arun Joshi, Moloy Manoj Banerjee, Amit Kumar Das, Deepak Sahebrao Walke, Venkata P. Palle, Rajender Kumar Kamboj