Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9208266 | Property prediction for asphalts from blended sources | Pavel Kriz, John H. Brownie | 2015-12-08 |
| 9200206 | Asphalt production from oil sand bitumen | John H. Brownie, Mary Josephine Gale | 2015-12-01 |
| 8993495 | Upgrading deasphalting residue to high performance asphalt | Ramesh Varadaraj, John H. Brownie, Mary Josephine Gale | 2015-03-31 |
| 8968551 | Synergistic asphalt crude compositions | Mary Josephine Gale | 2015-03-03 |
| 8951405 | Upgrading of asphaltene-depleted crudes | Mary Josephine Gale, John H. Brownie | 2015-02-10 |
| 8765847 | Asphalt compositions with cracking resistance additives | Laura Frances McKibben | 2014-07-01 |
| 7150785 | High performance asphalt using alkyl aromatic sulfonic acid asphaltene dispersants | Mary Josephine Gale, Ramesh Varadaraj | 2006-12-19 |
| 6258255 | Method for enhancing asphalt properties | Mary Josephine Gale, James D. Bell, Biddanda U. Achia | 2001-07-10 |
| 5393811 | Composition and method for improving the storage stability of polymer modified asphalts | Katherine L. Sokol | 1995-02-28 |
| 5320739 | Method of producing asphalt having an increased penetration and penetration index | William J. Murphy | 1994-06-14 |
| 5228977 | Method of producing asphalt having an increased penetration and penetration index | William J. Murphy | 1993-07-20 |
| 5116522 | Grease composition containing an ethylene copolymer having a melt index of at least about 40 | Terrance O. Brown, David SLACK, A. Gordon Alexander | 1992-05-26 |
| 5095055 | Using branched polymers to improve the storage stability of acid treated polymer modified asphalts (PNE-577) | — | 1992-03-10 |
| 5070123 | Method for improving the storage stability of polymer modified asphalt | — | 1991-12-03 |
| 4882373 | Asphaltic composition | — | 1989-11-21 |
| 4873275 | Flow resistant asphalt paving binder | Lawrence G. Kaufman | 1989-10-10 |
| 4868233 | Polyethylene modified asphalts | — | 1989-09-19 |
| 4711672 | Asphaltic composition | Helen R. Gorter, Warren D. Robertson, Shaunalea Savard | 1987-12-08 |