Patents by Inventor Karamala Rama Subba Reddy

Karamala Rama Subba Reddy 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).

  • Processes For Preparing Prasugrel And Pharmaceutically Acceptable Salts Thereof
    Publication number: 20120202066
    Abstract: Disclosed are improved processes for preparing prasugrel compound of formula-(1), its intermediates and pharmaceutically acceptable salts.
    Type: Application
    Filed: October 7, 2010
    Publication date: August 9, 2012
    Inventors: Manne Satyanarayana Reddy, Srinivasan Thirumalai Rajan, Sajja Eswaraiah, Karamala Rama Subba Reddy, Bairy Kondal Reddy, Ghojala Venkat Reddy
  • Process for pure montelukast sodium through pure intermediates as well as amine salts
    Patent number: 8115004
    Abstract: The present invention provides an improved process for the preparation of highly pure montelukast sodium through highly pure diol intermediate compound of formula (2) and (1)-(mercapto methyl)cyclopropane acetic acid methyl ester compound of formula (4) or mercaptomethyl cyclopropane acetic acid compound of formula (7). The present invention also provides novel organic amine salts of montelukast.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: February 14, 2012
    Assignee: MSN Laboratories Limited
    Inventors: Manne Satyanarayana Reddy, Muppa Kishore Kumar, Karamala Rama Subba Reddy, Durgadas Shyla Prasad
  • PROCESS FOR PURE MONTELUKAST SODIUM THROUGH PURE INTERMEDIATES AS WELL AS NOVEL AMINE SALTS
    Publication number: 20100056793
    Abstract: The present invention provides an improved process for the preparation of highly pure montelukast sodium through highly pure diol intermediate compound of formula (2) and (1)-(mercapto methyl)cyclopropane acetic acid methyl ester compound of formula (4) or mercaptomethyl cyclopropane acetic acid compound of formula (7). The present invention also provides novel organic amine salts of montelukast.
    Type: Application
    Filed: November 19, 2007
    Publication date: March 4, 2010
    Inventors: Manne Satyanarayana Reddy, Muppa Kishore Kumar, Karamala Rama Subba Reddy, Durgadas Shyla Prasad