HETERO RESEARCH FOUNDATION; PARTHASARADHI REDDY, Bandi; RATHNAKAR REDDY, Dasari; MURALIDHARA REDDY, Dasari; RAJI REDDY, Rapolu; RAMAKRISHNA REDDY, Matta; VAMSI KRISHNA, Bandi Patent: WO2011/145100 A1, 2011 ; Location in patent: Page/Page column 6 ;