ENDO PHARMACEUTICALS INC.; SMITH, Roger, Astbury; LAPING, Nicholas, James; VENKATESAN, Aranapakam; THOMPSON, Scott, Kevin; KETHIRI, Raghava, Reddy; SIVANANDHAN, Dhanalakshmi; VENKATESHAPPA, Chandregowda; KULKARNI, Bheemashankar; DEWANG, Purushottam; KRISTAM, Rajendra; KASIBHATLA, Srinivas; DEVRAJ, Rajesh Patent: WO2013/49565 A1, 2013 ; Location in patent: Page/Page column 35-36 ;