ARCH PHARMALABS LIMITED; MANDAL, Arun Kanti; RANBHAN, Kamlesh Jayantilal; SAXENA, Sudhanshu; GAIKWAD, Sanjay Ramrao; SARJEKAR, Pushpalata Balkrishna Patent: WO2013/11518 A1, 2013 ; Location in patent: Page/Page column 47-48 ;