MATRIX LABORATORIES LTD; RAMA, Shankar; VADALI, Lakshmana Rao; PALLA, Vijay Kumar; SAIDUGARI, Swamy; MITTAPELLY, Nagaraju; JALDU, Ravikanth; VIJAYA, Krishna Ravi; SESHADRI, Rao Manukonda; DASARL, Srinivasa Rao; SRINIVASA, Rao Potla; DANDALA, Ramesh Patent: WO2012/52829 A1, 2012 ; Location in patent: Page/Page column 11 ;