NA (2015) An Improved process for preparation of iron oxide pellets using sodium Lignosulphonate containing wastes and copper smelting slag replacing bentonite. NA.
76415 (1967) Process developed at the National Metallurgical Laboratory: Modification of Aluminium Silicion alloys - India Patents No. 76415. India Patents No. 76415.
Indian Patent Nos. 58869 & 62352 (1967) Process developed at the National Metallurgical Laboratory: Production of Graphite Crucibles (Carbon and Clay bonded) - India Patents No. 58869 & 62352. Indian Patent Nos. 58869 & 62352.
CSIR-NML (2012) A non-invasive process for sorting of alumina rich iron ores. 0060NF2012.
NML (2004) A process for the extraction of zinc from zinc waste effluent. 1869DEL2004.
0140NF2013 (2014) A process for the recovery of rare earth metals yttrium, lanthanum, terbium & europium from scrap fluorescence tube. .
1660DEL2013 (2013) A process for the recovery of neodymium as a value added product from waste hard disk of personal computers. 0086NF2012.
US2006000491916 (2008) Process for the production of Portland slag cement using granulated blast furnace slag. US7410537.
US2003000393398 (2005) Process for the production of zirconium boride powder. US6908599.
US2002000045033 (2003) Sensing device for the non-destructive evaluation of steel structures or components. US6617847.
US2002000112053 (2003) Process for the recovery of gold and silver from used refractory bricks. US6602319.
61978, 61980 (1958) Nickel-free chromium-manganese-nitrogen stainless steel. 61978, 61980.
1423/KOL/2011 Dt. 4.11 .2011 (2011) An improved ultrasonic inspection system for surface and sub-surface crack detection of HSS Rolls - Application No.1423/KOL/2011 Dt. 4.11 .2011. Patent Ref.No : PAT-0386/2011/India .
Council of Scientific & Industrial Research (2011) Process for recovery of copper and nickel powders from high iron containing waste or secondary resourc. IN200902504-I1.
Park Kyung-Ho, Nam Chul-Woo, Mishra Devabrata (2010) Leaching method of valuable metals from synthetic matte. 10-0999194/01.12.2010.
US2003000393297 (2008) Process for recovery of gallium. US7338589.
0094NF2014 (2014) An improved process for the pyrolysis of depopulated printed circuit boards (PCBs) of e-waste. 0094NF2014.
US2002000095526 (2004) Process for recovery of nickel from spent catalyst. US6733564.
EP2002000708620 (2006) Process for the recovery of nickel from spent catalyst. EP1488015B1.
US2002000112044 (2004) Process for the preparation of nanosized iron oxide by biomimetic route. US6800271.
