Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9051527 | Fuel oil compositions | Colin Morton, Philip D. Armitage, Carlo Fava, Viral Bobby Patel | 2015-06-09 |
| 7067599 | Fuel oil additives and compositions | Brid Dilworth, Dennis G. Peiffer | 2006-06-27 |
| 6767374 | Fuel oil additives and compositions | Dhanesh G. Goberdhan, Kenneth Lewtas, Andrew Matthew McAleer, Lewis J. Fetters, John Huang | 2004-07-27 |
| 6554876 | Oil compositions | Graham Jackson | 2003-04-29 |
| 6458175 | Oil additives and compositions | Edwin William Lehmann | 2002-10-01 |
| 6270538 | Lubricating oil compositions | Christophe Ledeore, Graham Jackson, Iain More | 2001-08-07 |
| 6254651 | Materials for use in oils and processes for their manufacture | Barbara Catherine Brooke | 2001-07-03 |
| 6232277 | Lubricating oil compositions | Christophe Ledeore, Graham Jackson, Iain More | 2001-05-15 |
| 5906970 | Additives and oleaginous compositions containing a dendrine coldflow improver additive | — | 1999-05-25 |
| 5814110 | Chemical compositions and use as fuel additives | Kenneth W. Bartz, Jacqueline D. Bland, David P. Gillingham, Richard Dix Kerwood, Edwin William Lehmann +3 more | 1998-09-29 |
| 5716915 | Oil compositions | Gerald Ivan Brown, Lain More, Brian William Davies, Derek A. Towe | 1998-02-10 |
| 5684093 | Nitrogen-containing compounds | Jacob Emert, Alan R. Katritzky, Irina Shcherbakova | 1997-11-04 |
| 5593466 | Oil and fuel oil compositions | Kenneth Lewtas | 1997-01-14 |
| 5441545 | Middle distillate compositions with improved low temperature properties | Kenneth Lewtas, Jacqueline D. Bland, Albert Rossi | 1995-08-15 |
| 5364419 | Fuel oil additives | Darryl R. T. Smith, David P. Gillingham | 1994-11-15 |
| 5046355 | Process for assessing cold start performance of a wax containing fuel | Sean Creedon | 1991-09-10 |
| 4957650 | Lubricating oil composition containing dual additive combination for low temperature viscosity improvement | Albert Rossi, John P. Szykowski | 1990-09-18 |
| 4891145 | Lubricating oil composition | Ramah J. Brod, Kenneth Lewtas, Robert L. Elliott | 1990-01-02 |
| 4882034 | Crude oil or fuel oil compositions | Kenneth Lewtas | 1989-11-21 |
| 4874394 | Crude oil and fuel oil compositions | Rodger F. Andrews, Sally J. Ayres | 1989-10-17 |
| 4863486 | Middle distillate compositions with improved low temperature properties | Sarah L. Pearce | 1989-09-05 |
| 4839074 | Specified C.sub.14 -carboxylate/vinyl ester polymer-containing compositions for lubricating oil flow improvement | Albert Rossi, Kenneth Lewtas, Jose Alves | 1989-06-13 |
| 4826615 | Lubricating oil composition containing dual additive combination for low temperature viscosity improvement (PTF-004) | Albert Rossi, John P. Szykowski | 1989-05-02 |
| 4810260 | Middle distillate compositions with improved cold flow properties | Sarah L. Pearce, Albert Rossi | 1989-03-07 |
| 4713088 | Middle distillate compositions with improved cold flow properties | Sarah L. Pearce, Albert Rossi | 1987-12-15 |