HETERO RESEARCH FOUNDATION; PARTHASARADHI REDDY, Bandi; RATHNAKAR REDDY, Kura; MURALIDHARA REDDY, Dasari; VENKAT NARSIMHA REDDY, Adulla; VAMSI KRISHNA, Bandi Patent: WO2013/38425 A1, 2013 ; Location in patent: Page/Page column 8 ;