Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341656 | Continuous oxidation and distillation process of heavier hydrocarbon materials | Donald P. Malone, Howard F. Moore | 2008-03-11 |
| 7241821 | Polymer-modified, vulcanized asphalt composition and its method of preparation | Roger E. Hayner, Robert H. Wombles | 2007-07-10 |
| 7097703 | Use of anti-strip agents to improve wear characteristics of pavement sealer | David C. Boyer, Melvin D. Kiser | 2006-08-29 |
| 6403659 | Sealer from SDA asphalt | D. Chris Boyer | 2002-06-11 |
| 6383365 | Low softening point petroleum pitch and sealer | D. Chris Boyer | 2002-05-07 |
| 6361591 | Sealer from asphalt and pitch | D. Chris Boyer | 2002-03-26 |
| 6352637 | High coking value pitch | Melvin D. Kiser, Robert H. Wombles | 2002-03-05 |
| 6270657 | Asphalt blend compositions containing used motor oil and asphalt pavement compositions containing said asphalt blend compositions | Howard F. Moore, Donald P. Malone, David J. Zalewski | 2001-08-07 |
| 6267809 | Driveway sealer using phase stable pourable pitch | D. Chris Boyer | 2001-07-31 |
| 6136898 | Unblown ethylene-vinyl acetate copolymer treated asphalt and its method of preparation | Roman Loza, Laurence G. Dammann, Roger E. Hayner | 2000-10-24 |
| 6068759 | Process for recovering lube oil base stocks from used motor oil formulations, asphalt blend compositions containing used motor oil bottoms from said process, and asphalt pavement compositions containing said asphalt blend compositions | Howard F. Moore, Donald P. Malone, David J. Zalewski | 2000-05-30 |
| 6057390 | Crosslinkable polymer-modified asphalt and its method of preparation | Roman Loza, Laurence G. Dammann, Roger E. Hayner | 2000-05-02 |
| 6048447 | Asphalt compositions containing solvent deasphalted bottoms and rerefined lube oil bottoms, and their preparation | Roger E. Hayner, Howard F. Moore, Donald P. Malone | 2000-04-11 |
| 5961709 | Environmentally improved asphalt compositions and their preparation | Roger E. Hayner, James F. Hoffman, Robert H. Wombles | 1999-10-05 |