MSN LABORATORIES LIMITED; SATYANARAYANA REDDY, Manne; THIRUMALAI RAJAN, Srinivasan; ESWARAIAH, Sajja; VENKAT REDDY, Ghojala; RAMA SUBBA REDDY, Karamala; SAHADEVA REDDY, Maramreddy Patent: WO2011/148392 A1, 2011 ; Location in patent: Page/Page column 64 ;