LUPIN LIMITED; PAGHDAR, Dinesh, Jayntibhai; KOLEKAR, Mahesh, Ramkumar; DESHPANDE, Tushar, Nandkumar; PATIL, Suryaprakash, Pandurang; CHAVAN, Yuvraj, Atmaram; RAY, Purna, Chandra; SINGH, Girij, Pal Patent: WO2011/158084 A1, 2011 ; Location in patent: Page/Page column 14-15 ;