Patents Assigned to RK PHARMA INC.
  • Patent number: 12257219
    Abstract: 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: Grant
    Filed: June 2, 2023
    Date of Patent: March 25, 2025
    Assignee: 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
  • Publication number: 20250002506
    Abstract: 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: Application
    Filed: September 30, 2022
    Publication date: January 2, 2025
    Applicants: RK Pharma Inc., APICORE PHARMACEUTICALS PRIVATE LIMITED
    Inventors: Jayaraman KANNAPPAN, Dixit PANCHAL, Gaurav YADAV
  • Publication number: 20240358632
    Abstract: 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: Application
    Filed: May 26, 2022
    Publication date: October 31, 2024
    Applicant: RK Pharma Inc.
    Inventors: Ravishankar KOVI, Raghu Rami Reddy Kasu, Thupalli Ajey Kumar REDDY, Yekkanti VAMSHI, Jayraman KANNAPPAN, Kamlesh CHAUAHAN
  • Publication number: 20240270694
    Abstract: 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: Application
    Filed: September 7, 2023
    Publication date: August 15, 2024
    Applicant: RK Pharma Inc.
    Inventors: Ravishanker Kovi, Murali Krishna Madala, Jayaraman Kannappan, Hemant M. Mande, Sureshkumar Kanagaraj, Moorkonda Raja Sekhar
  • Patent number: 11857677
    Abstract: 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: Grant
    Filed: December 17, 2020
    Date of Patent: January 2, 2024
    Assignee: RK PHARMA INC.
    Inventors: Ravishanker Kovi, Jayaraman Kannappan, Thupalli Ajeykumar Reddy, Vamshi Yekkanti, Raghu Kasu
  • Patent number: 11850224
    Abstract: 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: Grant
    Filed: August 18, 2021
    Date of Patent: December 26, 2023
    Assignee: RK PHARMA INC.
    Inventors: Sushilkumar Dhanaji Patil, Nirav Ishwarlal Khatri, Alex Kochukunju George, Sushrut Krishnaji Kulkarni
  • Publication number: 20230301952
    Abstract: 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: Application
    Filed: June 2, 2023
    Publication date: September 28, 2023
    Applicant: 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
  • Patent number: 11707443
    Abstract: 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: Grant
    Filed: September 25, 2020
    Date of Patent: July 25, 2023
    Assignee: 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
  • Patent number: 11654151
    Abstract: 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: Grant
    Filed: October 21, 2020
    Date of Patent: May 23, 2023
    Assignee: RK PHARMA INC.
    Inventors: Ravishanker Kovi, Jayaraman Kannappan, Sanjaysinh Fatesinh Thakor, Rahul Dixit
  • Publication number: 20230054302
    Abstract: 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: Application
    Filed: July 27, 2022
    Publication date: February 23, 2023
    Applicant: RK PHARMA INC.
    Inventors: Ravishanker Kovi, Prasad Vure, Raghu Rami Reddy Kasu, Thupalli Ajey Kumar Reddy, Yekkanti Vamshi, Jayraman Kannappan, Hardik Vyas
  • Patent number: 11447513
    Abstract: 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: Grant
    Filed: February 11, 2021
    Date of Patent: September 20, 2022
    Assignee: RK PHARMA INC.
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Hemant Mande, Rajesh Patel, Ritesh H Panchal, Varun L Zambare
  • Patent number: 11447499
    Abstract: 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: Grant
    Filed: June 11, 2020
    Date of Patent: September 20, 2022
    Assignee: RK PHARMA INC.
    Inventors: Ravishanker Kovi, Jayaraman Kannappan, Shivnath Sahebrao Patil