HIKAL LIMITED; KUPPUSWAMY, Nagarajan; GUPTA, Rajender Pershad; SELVAN, Arul; CHAKRABORTY, Debarati; ULAVATHI SHETTER, Shyamu Sundara; MALGI, Chandrakanth; NUNNA, Rambabu; KUNTE, Sukanya; REDDY, Rajasekhar; AVENKAR, Shilpa Patent: WO2011/64789 A1, 2011 ; Location in patent: Page/Page column 10 ;