Patents Assigned to RK PHARMA INC.
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Patent number: 12257219Abstract: The present invention relates to stable, aqueous, parenteral solutions comprising diclofenac and polyvinylpyrrolidone, wherein the solutions are for parenteral (subcutaneous, intravenous and/or intramuscular) administration to a mammal.Type: GrantFiled: June 2, 2023Date of Patent: March 25, 2025Assignee: RK PHARMA INC.Inventors: Kannan Essakimuthu Muthaiyyan, Debjani Manoj Singh, Nirav Ishwarlal Khatri, Sushrut Krishnaji Kulkarni, Alex Kochukunju George, Sushilkumar Dhanaji Patil, Jay Shantilal Kothari
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Publication number: 20250002506Abstract: The present invention provides unimproved synthetic process for the preparation of Lurbinectedin. The present invention also relates to new intermediates used in the preparation of Lurbinectedin. The present invention further provides new polymorphic form RK-1 of Lurbinectedin and process for producing the same. An improved process for the preparation of amorphous form of Lurbinectedin is also provided.Type: ApplicationFiled: September 30, 2022Publication date: January 2, 2025Applicants: RK Pharma Inc., APICORE PHARMACEUTICALS PRIVATE LIMITEDInventors: Jayaraman KANNAPPAN, Dixit PANCHAL, Gaurav YADAV
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Publication number: 20240358632Abstract: The present application discloses a ready-to-use liquid parenteral pharmaceutical composition, that has Cetrorelix or Cetrorelix acetate. The composition also has Cetrolix or its pharmaceutically acceptable salt, ethanol, and water for injection, and a pH adjusting agent. The composition may also contain pharmaceutically acceptable excipients. The Cetrolix or Cetrolix acetate preparation can have a pH lower than 7.Type: ApplicationFiled: May 26, 2022Publication date: October 31, 2024Applicant: RK Pharma Inc.Inventors: Ravishankar KOVI, Raghu Rami Reddy Kasu, Thupalli Ajey Kumar REDDY, Yekkanti VAMSHI, Jayraman KANNAPPAN, Kamlesh CHAUAHAN
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Publication number: 20240270694Abstract: The present invention provides industrially applicable, commercially viable, eco-friendly processes for the preparation of Ivacaftor. The present invention also provides novel solvates of Ivacaftor.Type: ApplicationFiled: September 7, 2023Publication date: August 15, 2024Applicant: RK Pharma Inc.Inventors: Ravishanker Kovi, Murali Krishna Madala, Jayaraman Kannappan, Hemant M. Mande, Sureshkumar Kanagaraj, Moorkonda Raja Sekhar
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Patent number: 11857677Abstract: The present application provides stable ready-to-use injectable formulations of melphalan, methods for preparing storage-stable, ready-to-use injectable formulations that include melphalan, which are easy to administer without need of any reconstitution step and has a desirable solubility, stability, and safety profile. In other embodiments, provided are storage-stable, ready-to-use, injectable liquid parenteral formulations that include melphalan and other pharmaceutically acceptable excipients.Type: GrantFiled: December 17, 2020Date of Patent: January 2, 2024Assignee: RK PHARMA INC.Inventors: Ravishanker Kovi, Jayaraman Kannappan, Thupalli Ajeykumar Reddy, Vamshi Yekkanti, Raghu Kasu
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Patent number: 11850224Abstract: The present invention relates to a stable, aqueous, injectable solution comprising diclofenac and polyvinylpyrrolidone. The present invention also relates to processes for preparing the injectable solution.Type: GrantFiled: August 18, 2021Date of Patent: December 26, 2023Assignee: RK PHARMA INC.Inventors: Sushilkumar Dhanaji Patil, Nirav Ishwarlal Khatri, Alex Kochukunju George, Sushrut Krishnaji Kulkarni
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Publication number: 20230301952Abstract: The present invention relates to stable, aqueous, parenteral solutions comprising diclofenac and polyvinylpyrrolidone, wherein the solutions are for parenteral (subcutaneous, intravenous and/or intramuscular) administration to a mammal.Type: ApplicationFiled: June 2, 2023Publication date: September 28, 2023Applicant: RK PHARMA INC.Inventors: Kannan Essakimuthu MUTHAIYYAN, Debjani Manoj Singh, Nirav Ishwarlal Khatri, Sushrut Krishnaji Kulkarni, Alex Kochukunju George, Sushilkumar Dhanaji Patil, Jay Shantilal Kothari
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Patent number: 11707443Abstract: The present invention relates to stable, aqueous, parenteral solutions comprising diclofenac and polyvinylpyrrolidone, wherein the solutions are for parenteral (subcutaneous, intravenous and/or intramuscular) administration.Type: GrantFiled: September 25, 2020Date of Patent: July 25, 2023Assignee: RK PHARMA INC.Inventors: Kannan Essakimuthu Muthaiyyan, Debjani Manoj Singh, Nirav Ishwarlal Khatri, Sushrut Krishnaji Kulkarni, Alex Kochukunju George, Sushilkumar Dhanaji Patil, Jay Shantilal Kothari
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Patent number: 11654151Abstract: Liquid parenteral formulations are provided that include tigecycline and at least one or more pharmaceutically acceptable excipient or adjuvant, where the formulation is ready to use without additional steps for reconstitution at the time of administration.Type: GrantFiled: October 21, 2020Date of Patent: May 23, 2023Assignee: RK PHARMA INC.Inventors: Ravishanker Kovi, Jayaraman Kannappan, Sanjaysinh Fatesinh Thakor, Rahul Dixit
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Publication number: 20230054302Abstract: The invention relates to an improved composition of ferric maltol or ferric trimaltol for the treatment of iron deficiency, wherein the composition comprises the active ferric maltol or ferric trimaltol lower than 60% of the total composition weight. The compositions further can be a capsule or tablet or any other pharmaceutical solid dosage form, preferably a capsule in a hard gelatin in a size of 0 or 1, for oral administration.Type: ApplicationFiled: July 27, 2022Publication date: February 23, 2023Applicant: RK PHARMA INC.Inventors: Ravishanker Kovi, Prasad Vure, Raghu Rami Reddy Kasu, Thupalli Ajey Kumar Reddy, Yekkanti Vamshi, Jayraman Kannappan, Hardik Vyas
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Patent number: 11447513Abstract: The present application provides processes for the purification of ferric carboxymaltose, the process includes the steps of dissolving crude ferric carboxymaltose in a first solvent; charging the ferric carboxymaltose solution in a reaction vessel with a second solvent and precipitating therefrom a ferric carboxymaltose precipitate; and isolating pure ferric carboxymaltose from the ferric carboxymaltose precipitate.Type: GrantFiled: February 11, 2021Date of Patent: September 20, 2022Assignee: RK PHARMA INC.Inventors: Ravishanker Kovi, Jayaraman Kannapan, Hemant Mande, Rajesh Patel, Ritesh H Panchal, Varun L Zambare
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Patent number: 11447499Abstract: The present application provides improved processes for the synthesis of eribulin intermediate, which generally comprise the steps of: a) De-protecting the eribulin-enone (compound 1) in tetrahydrofuran by using TBAF solution, buffered with imidazole HCl in the presence of molecular sieve and sodium sulphate to get an insitu mixture of eribulin-dione diastereomer at C12 carbon (compound 2). Then ketalization may be performed of eribulin-dione insitu intermediate containing mixture of diastereomer at C12 carbon (compound 2) with PPTS in dichloromethane to yield eribulin-diol (compound 3).Type: GrantFiled: June 11, 2020Date of Patent: September 20, 2022Assignee: RK PHARMA INC.Inventors: Ravishanker Kovi, Jayaraman Kannappan, Shivnath Sahebrao Patil