Patents by Inventor Sharad Subhash Ippar

Sharad Subhash Ippar 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).

  • Method For The Preparation Of Cinacalcet And Intermediates And Impurities Thereof
    Publication number: 20150152040
    Abstract: A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
    Type: Application
    Filed: January 20, 2015
    Publication date: June 4, 2015
    Inventors: Vijayavitthal Thippannachar Mathad, Navnath Chintaman Niphade, Gorakshanath Balasaheb Shinde, Sharad Subhash Ippar, Shrikant Prataprao Deshmukh, Raghavendra Kumar Panchangam
  • Method for the preparation of cinacalcet and intermediates and impurities thereof
    Patent number: 8969623
    Abstract: A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: March 3, 2015
    Assignee: Amneal Pharmaceuticals, LLC
    Inventors: Vijayavitthal Thippannachar Mathad, Navnath Chintaman Niphade, Gorakshanath Balasaheb Shinde, Sharad Subhash Ippar, Shrikant Prataprao Deshmukh, Raghavendra Kumar Panchangam
  • PROCESS FOR PREPARATION OF RIVAROXABAN AND INTERMEDIATES THEREOF
    Publication number: 20150011756
    Abstract: An improved process for the preparation of Rivaroxaban wherein the process substantially eliminates the potential impurities. process for preparation of Rivaroxaban which uses a novel intermediate. A process for preparing the novel intermediate which is used for the preparation of Rivaroxaban.
    Type: Application
    Filed: February 5, 2013
    Publication date: January 8, 2015
    Inventors: Vijayavitthal Thippannachar Mathad, Nilesh Sudhir Patil, Navnath Chintaman Niphade, Anil Chaturlal Mali, Mahendra Bhagirath Bodake, Sharad Subhash Ippar, Rajesh Talla
  • Method For The Preparation Of Cinacalcet And Intermediates And Impurities Thereof
    Publication number: 20140081048
    Abstract: A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
    Type: Application
    Filed: October 11, 2013
    Publication date: March 20, 2014
    Applicants: Megafine Pharma (P) Ltd., Amneal Pharmaceuticals, LLC
    Inventors: Vijayavitthal Thippannachar Mathad, Navnath Chintaman Niphade, Gorakshanath Balasaheb Shinde, Sharad Subhash Ippar, Shrikant Prataprao Deshmukh, Raghavendra Kumar Panchangam
  • Method for the preparation of cinacalcet and intermediates and impurities thereof
    Patent number: 8575395
    Abstract: A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: November 5, 2013
    Assignees: Amneal Pharmaceuticals, LLC, Megafine Pharma (P) Ltd.
    Inventors: Vijayavitthal Thippannachar Mathad, Navnath Chintaman Niphade, Gorakshanath Balasaheb Shinde, Sharad Subhash Ippar, Shrikant Prataprao Deshmukh, Raghavendra Kumar Panchangam
  • Method For The Preparation Of Cinacalcet And Intermediates And Impurities Thereof
    Publication number: 20110319663
    Abstract: A method for the preparation of Cinacalcet is disclosed comprising treating (R)-1-naphthyl ethylamine with an aromatic aldehyde to form (1R)-1-(2-naphthyl)-N-(aryl methylene)ethanamine derivative of Formula (IV), which is further treated with 1-(3-halopropyl)-3-(trifluoromethyl)benzene of Formula (V) to obtain an iminium salt of Formula (VI), followed by hydrolysis to obtain Cinacalcet free base.
    Type: Application
    Filed: September 6, 2011
    Publication date: December 29, 2011
    Applicant: Amneal Pharmaceuticals, LLC
    Inventors: Vijayvitthal Thippannachar Mathad, Navnath Chintaman Niphade, Gorakshanath Balasaheb Shinde, Sharad Subhash Ippar, Shrikant Prataprao Deshmukh, Ragavendra Kumar Panchangam