SANMAR SPECIALITY CHEMICALS LTD; CHITTOOR, Ghatambu, Sethuram; UDAY, Rajaram, Bapat; MUNUSAMY, Jayamani; MUPPID, Naga, Venkata, Satya, Prasanna, Anjaneya, Radha, Krishna, Murthy Patent: WO2007/77572 A1, 2007 ; Location in patent: Page/Page column 5-6 ;