ALEMBIC PHARMACEUTICALS LIMITED; RAMAN, Jayaraman, Venkat; PATEL, Samir; THAKOR, Indrajit; LADANI, Mahesh; PATIL, Chetan; PATEL, Ronak; RAVAL, Prashant; PAREKH, Viral; SHAH, Hiral Patent: WO2012/137047 A1, 2012 ;