HETERO RESEARCH FOUNDATION; Reddy, Bandi Parthasaradhi; Reddy, Kura Rathnakar; Reddy, Dasari Muralidhara; Reddy, Maruthi Janakiram; Krishna, Bandi Vamsi Patent: US2013/190490 A1, 2013 ; Location in patent: Paragraph 0048; 0049 ;