Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625479 | Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content | David C. Boyer | 2009-12-01 |
| 7393449 | Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content | David C. Boyer | 2008-07-01 |
| 7282135 | Low viscosity, high carbon yield pitch product | David C. Boyer | 2007-10-16 |
| 7252755 | Viscosity modification of heavy hydrocarbons | David C. Boyer | 2007-08-07 |
| 7220348 | Method of producing high softening point pitch | Donald P. Malone, Howard F. Moore | 2007-05-22 |
| 7097703 | Use of anti-strip agents to improve wear characteristics of pavement sealer | David C. Boyer, Patricia K. Doolin | 2006-08-29 |
| 7094331 | Viscosity modification of heavy hydrocarbons using dihydric alcohols | — | 2006-08-22 |
| 7067050 | Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content | David C. Boyer | 2006-06-27 |
| 6827841 | Low viscosity, high carbon yield pitch product | David C. Boyer | 2004-12-07 |
| 6352637 | High coking value pitch | Patricia K. Doolin, Robert H. Wombles | 2002-03-05 |