Patents by Inventor Hemant Mande

Hemant Mande 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).

  • 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
  • Publication number: 20220049102
    Abstract: The present application provides method for producing methylene blue that includes the steps of providing a reaction mixture having one or more methylene blue intermediates; precipitating metal from the reaction mixture; and producing therefrom crude methylene blue. The crude may further be purified, resulting in methylene compounds having low impurities, preferably having a purity greater than about 97%, having Azure B impurity no greater than 2.5%, and/or a total metal content no greater than 77 ppm. Formulations containing such compounds are also provided.
    Type: Application
    Filed: September 17, 2020
    Publication date: February 17, 2022
    Inventors: Ravishanker Kovi, Jayaraman Kannappan, Hemant Mande, Dusanapudi Naga Venkata Raghavulu
  • Publication number: 20210277041
    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: Application
    Filed: February 11, 2021
    Publication date: September 9, 2021
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Hemant Mande, Rajesh Patel, Ritesh H Panchal, Varun L Zambare
  • Publication number: 20210139518
    Abstract: The present application generally provides ferric maltol of formula I, and more particularly a crystalline form alfa of Ferric maltol, which is characterized by its PXRD pattern as illustrated herein. Corresponding methods for producing the ferric maltol disclosed herein are also provided.
    Type: Application
    Filed: October 26, 2020
    Publication date: May 13, 2021
    Inventors: Ravishanker Kovi, Jayaraman Kannappan, Ananda Babu Thirunavakarasu, Hemant Mande, Rajesh A. Patel
  • Patent number: 10442813
    Abstract: Novel polymorphs of rucaparib camsylate include Form alpha having XRPD peaks at diffraction angles (2?) of 6.14±0.2, 12.41±0.2, 15.34±0.2, 15.95±0.2, 16.36±0.2, 16.51±0.2 and 19.67±0.2, Form beta having XRPD peaks at diffraction angles (2?) of 6.86±0.2, 9.58±0.2, 12.75±0.2, 14.56±0.2, 15.05±0.2, 20.76±0.2 and 22.45±0.2, and Form gamma having XRPD peaks at diffraction angles (2?) of 9.5±0.2, 12.73±0.2, 14.77±0.2, 15.16±0.2, 20.62±0.2, 22.33±0.2, 22.63±0.2 and 27.29±0.2. Methods are disclosed for the preparation of such polymorphic forms and pharmaceutical compositions containing such polymorphic forms. A method is disclosed for preparing a highly pure Form B of rucaparib camsylate. Pharmaceutical compositions containing highly pure Form B prepared by the method are disclosed.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: October 15, 2019
    Assignee: RK PHARMA SOLUTIONS LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Hemant Mande
  • Publication number: 20190233428
    Abstract: Novel polymorphs of rucaparib camsylate include Form alpha having XRPD peaks at diffraction angles (2?) of 6.14±0.2, 12.41±0.2, 15.34±0.2, 15.95±0.2, 16.36±0.2, 16.51±0.2 and 19.67±0.2, Form beta having XRPD peaks at diffraction angles (2?) of 6.86±0.2, 9.58±0.2, 12.75±0.2, 14.56±0.2, 15.05±0.2, 20.76±0.2 and 22.45±0.2, and Form gamma having XRPD peaks at diffraction angles (2?) of 9.5±0.2, 12.73±0.2, 14.77±0.2, 15.16±0.2, 20.62±0.2, 22.33±0.2, 22.63±0.2 and 27.29±0.2. Methods are disclosed for the preparation of such polymorphic forms and pharmaceutical compositions containing such polymorphic forms. A method is disclosed for preparing a highly pure Form B of rucaparib camsylate. Pharmaceutical compositions containing highly pure Form B prepared by the method are disclosed.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 1, 2019
    Applicant: RK Pharma Solutions LLC
    Inventors: Ravishanker Kovi, Jayaraman Kannapan, Ananda Babu Thirunavakarasu, Hemant Mande
  • Patent number: 8785461
    Abstract: The present invention relates to a novel intermediate useful in the preparation of bosentan and to processes for the preparation of said intermediate and bosentan. The invention further relates to compositions comprising bosentan prepared according to the processes of the invention and their use in the treatment of endothelin-receptor mediated disorders.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: July 22, 2014
    Assignee: Generics [UK] Limited
    Inventors: Abhay Gaitonde, Bindu Manojkumar, Sandeep Mekde, Vikas Padalkar, Hemant Mande
  • Patent number: 8754129
    Abstract: The present invention relates to crystalline forms of the active pharmaceutical ingredient vorinostat, processes for their preparation and their use in pharmaceutical compositions. Formula (I).
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: June 17, 2014
    Assignee: Generics [UK] Limited
    Inventors: Vinayak Gore, Madhukar Patil, Rahul Bhalerao, Hemant Mande
  • Publication number: 20110269838
    Abstract: The present invention relates to crystalline forms of the active pharmaceutical ingredient vorinostat, processes for their preparation and their use in pharmaceutical compositions.
    Type: Application
    Filed: November 25, 2009
    Publication date: November 3, 2011
    Inventors: Vinayak Gore, Madhukar Patil, Rahul Bhalerao, Hemant Mande
  • Publication number: 20110263713
    Abstract: The present invention relates to crystalline forms of the active pharmaceutical ingredient vorinostat, processes for their preparation and their use in pharmaceutical compositions. Formula (I).
    Type: Application
    Filed: November 25, 2009
    Publication date: October 27, 2011
    Applicant: Mylan India Private Limited
    Inventors: Vinayak Gore, Madhukar Patil, Rahul Bhalerao, Hemant Mande
  • Publication number: 20110039871
    Abstract: The present invention relates to a novel intermediate useful in the preparation of bosentan and to processes for the preparation of said intermediate and bosentan. The invention further relates to compositions comprising bosentan prepared according to the processes of the invention and their use in the treatment of endothelin-receptor mediated disorders.
    Type: Application
    Filed: February 6, 2009
    Publication date: February 17, 2011
    Inventors: Abhay Gaitonde, Bindu Manojkumar, Sandeep Mekde, Vikas Padalkar, Hemant Mande