| 10053750 |
Recovery of nickel in leaching of laterite ores |
Vaikuntam I. Lakshmanan, Md. Abdul Halim, Jonathan Y. Chen, Robert J. DeLaat |
2018-08-21 |
| 10041141 |
Process for the separation of iron in extraction of titanium in mixed chloride media |
Vaikuntam I. Lakshmanan, Dipak Patel |
2018-08-07 |
| 9732398 |
Chloride process for the leaching of gold |
Vaikuntam I. Lakshmanan, M. A. Halim |
2017-08-15 |
| 9115419 |
Process for extraction of rare earth elements |
Vaikuntam I. Lakshmanan, M. A. Halim |
2015-08-25 |
| 8916116 |
Separation of iron from value metals in leaching of laterite ores |
Vaikuntam I. Lakshmanan, Jonathan Y. Chen, M. A. Halim, Robert J. DeLaat |
2014-12-23 |
| 8337795 |
Production of high purity silicon from amorphous silica |
Mansoor Barati, Kingsley Kweku Larbi, Raja Roy, Vaikuntam I. Lakshmanan |
2012-12-25 |
| 7968065 |
Process for the recovery of value metals from base metal sulfide ores |
G. Bryn Harris, Vaikuntam I. Lakshmanan, Geroge Puvvada |
2011-06-28 |
| 7803336 |
Process for the recovery of titanium in mixed chloride media |
Vaikuntum I. Lakshmanan, G. Bryn Harris, George Puvvada |
2010-09-28 |
| 7736606 |
Process for the recovery of value metals from base metal sulfide ores |
G. Bryn Harris, Vaikuntam I. Lakshmanan, George Puvvada |
2010-06-15 |
| 7329396 |
Process for the recovery of value metals from material containing base metal oxides |
G. Bryn Harris, Vaikuntam I. Lakshmanan |
2008-02-12 |
| 6878356 |
Recovery of zinc from galvanized coatings |
Vaikuntam I. Lakshmanan, Mohamed Alam |
2005-04-12 |
| 6730161 |
Treatment of fly ash |
Vaikuntam I. Lakshmanan, Noel P. Mailvaganam, V. Mohan Malhotra |
2004-05-04 |
| 6699446 |
Methods for separation of titanium from ore |
Vaikuntam I. Lakshmanan, Marc Murray Rishea, Robert Joseph de Laat |
2004-03-02 |
| 6500396 |
Separation of titanium halides from aqueous solutions |
Vaikuntam I. Lakshmanan, Marc Murray Rishea, Robert Joseph de Laat |
2002-12-31 |
| 4358430 |
Process for treatment of selenium-bearing materials |
Grigori S. Victorovich, Malcolm Charles Evert Bell |
1982-11-09 |