| 8598261 |
Polymer-clay nanocomposite and process for preparing the same |
Weiqing Weng, James P. Stokes, Edmund Stachowski, Molly J. Upton, Robert N. Webb +2 more |
2013-12-03 |
$91,555,000 |
| 8183314 |
Emulsion compositions with a polymeric emulsifier |
Ramesh Varadaraj, David J. Lohse |
2012-05-22 |
$124,440,000 |
| 8093304 |
Demulsification of water-in-oil emulsion |
Ramesh Varadaraj |
2012-01-10 |
$195,697,000 |
| 7794587 |
Method to alter coke morphology using metal salts of aromatic sulfonic acids and/or polysulfonic acids |
Ramesh Varadaraj, Michael Siskin, Leo D. Brown |
2010-09-14 |
$94,606,000 |
| 7645375 |
Delayed coking process for producing free-flowing coke using low molecular weight aromatic additives |
Ramesh Varadaraj, Michael Siskin, Leo D. Brown, Christopher P. Eppig |
2010-01-12 |
$199,856,000 |
| 7579303 |
Polar solvent-asphaltene dispersant method for upgrading heavy oils |
Ramesh Varadaraj |
2009-08-25 |
$468,652,000 |
| 7435333 |
Upgrading asphaltene containing oils |
Ramesh Varadaraj |
2008-10-14 |
$316,048,000 |
| 6734144 |
Solids-stabilized water-in-oil emulsion and method for using same |
Ramesh Varadaraj, James R. Bragg, Monte K. Dobson, Dennis G. Peiffer, John Huang +2 more |
2004-05-11 |
$128,750,000 |
| 6599949 |
Aromatic sulfonic acid demulsifier for crude oils |
Ramesh Varadaraj |
2003-07-29 |
$370,076,000 |
| 6489368 |
Aromatic sulfonic acid demulsifier for crude oils |
Ramesh Varadaraj |
2002-12-03 |
$149,255,000 |
| 6444711 |
Aqueous, pumpable fluids from solid carbonaceous materials |
Ramesh Varadaraj, David W. Savage |
2002-09-03 |
$117,878,000 |
| 6228239 |
Crude oil desalting method |
Pacifico V. Manalastas, Ramesh Varadaraj, David W. Savage, Guido Sartori, Ramesh R. Hemrajani |
2001-05-08 |
$442,799,000 |
| 6211252 |
Method for forming aqueous, pumpable fluids from solid carbonaceous materials |
Ramesh Varadaraj, David W. Savage |
2001-04-03 |
$419,707,000 |
| 6168702 |
Chemical demulsifier for desalting heavy crude |
Ramesh Varadaraj, David W. Savage |
2001-01-02 |
$1,380,027,000 |
| 6048904 |
Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils |
Irwin A. Wiehe, Ramesh Varadaraj, Torris G. Jermansen, Raymond Kennedy |
2000-04-11 |
$849,988,000 |
| 5849193 |
Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water |
Ramesh Varadaraj, Stanley J. Brois, Jan Bock |
1998-12-15 |
$154,816,000 |
| 5811290 |
Bioremediation method of hydrocarbon contaminated soils, water, and/or sludge using urea-surfactant clathrates |
Ramesh Varadaraj |
1998-09-22 |
$97,089,000 |
| 5797700 |
Polyoxyethylene glycol and polyglycerol twin tail surfactant formulations for dispersion of crude oil |
Ramesh Varadaraj, Max L. Robbins, Salvatore J. Pace |
1998-08-25 |
$148,850,000 |
| 5705690 |
Urea-surfactant clathrates and their use in bioremediation of hydrocarbon contaminated soils and water |
Ramesh Varadaraj |
1998-01-06 |
$177,614,000 |
| 5672739 |
Class of three tail surfactants law388 |
Ramesh Varadaraj, Max L. Robbins |
1997-09-30 |
$91,049,000 |
| 5571715 |
Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water |
Ramesh Varadaraj, Stanley J. Brois, Jan Bock |
1996-11-05 |
$63,348,000 |
| 5561056 |
Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water |
Jan Bock, Ramesh Varadaraj, Stanley J. Brois |
1996-10-01 |
$161,804,000 |
| 5514588 |
Surfactant-nutrients for bioremediation of hydrocarbon contaminated soils and water |
Ramesh Varadaraj, Jan Bock, Stanley J. Brois |
1996-05-07 |
$108,392,000 |
| 5503774 |
Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water |
Jan Bock, Ramesh Varadaraj, Stanley J. Brois |
1996-04-02 |
$40,908,000 |
| 5300227 |
Bioremediation of hydrocarbon contaminated soils and water |
Ramesh Varadaraj |
1994-04-05 |
$33,256,000 |
