COUNCIL OF SCIENTIFIC and INDUSTRIAL RESEARCH; Saikia, Bishwajit; Barua, Nabin Chandra; Saikia, Partha Pratim; Goswami, Abhishek; Rao, Paruchuri Gangadhar; Saxena, Ajit Kumar; Suri, Nitasha Patent: US2013/331581 A1, 2013 ; Location in patent: Paragraph 0063; 0080; 0081; 0082 ;