Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 8183314 | Emulsion compositions with a polymeric emulsifier | Ramesh Varadaraj, David J. Lohse | 2012-05-22 |
| 8093304 | Demulsification of water-in-oil emulsion | Ramesh Varadaraj | 2012-01-10 |
| 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 |
| 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 |
| 7579303 | Polar solvent-asphaltene dispersant method for upgrading heavy oils | Ramesh Varadaraj | 2009-08-25 |
| 7435333 | Upgrading asphaltene containing oils | Ramesh Varadaraj | 2008-10-14 |
| 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 |
| 6599949 | Aromatic sulfonic acid demulsifier for crude oils | Ramesh Varadaraj | 2003-07-29 |
| 6489368 | Aromatic sulfonic acid demulsifier for crude oils | Ramesh Varadaraj | 2002-12-03 |
| 6444711 | Aqueous, pumpable fluids from solid carbonaceous materials | Ramesh Varadaraj, David W. Savage | 2002-09-03 |
| 6228239 | Crude oil desalting method | Pacifico V. Manalastas, Ramesh Varadaraj, David W. Savage, Guido Sartori, Ramesh R. Hemrajani | 2001-05-08 |
| 6211252 | Method for forming aqueous, pumpable fluids from solid carbonaceous materials | Ramesh Varadaraj, David W. Savage | 2001-04-03 |
| 6168702 | Chemical demulsifier for desalting heavy crude | Ramesh Varadaraj, David W. Savage | 2001-01-02 |
| 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 |
| 5849193 | Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water | Ramesh Varadaraj, Stanley J. Brois, Jan Bock | 1998-12-15 |
| 5811290 | Bioremediation method of hydrocarbon contaminated soils, water, and/or sludge using urea-surfactant clathrates | Ramesh Varadaraj | 1998-09-22 |
| 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 |
| 5705690 | Urea-surfactant clathrates and their use in bioremediation of hydrocarbon contaminated soils and water | Ramesh Varadaraj | 1998-01-06 |
| 5672739 | Class of three tail surfactants law388 | Ramesh Varadaraj, Max L. Robbins | 1997-09-30 |
| 5571715 | Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water | Ramesh Varadaraj, Stanley J. Brois, Jan Bock | 1996-11-05 |
| 5561056 | Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water | Jan Bock, Ramesh Varadaraj, Stanley J. Brois | 1996-10-01 |
| 5514588 | Surfactant-nutrients for bioremediation of hydrocarbon contaminated soils and water | Ramesh Varadaraj, Jan Bock, Stanley J. Brois | 1996-05-07 |
| 5503774 | Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water | Jan Bock, Ramesh Varadaraj, Stanley J. Brois | 1996-04-02 |
| 5300227 | Bioremediation of hydrocarbon contaminated soils and water | Ramesh Varadaraj | 1994-04-05 |