Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867267 | Petroleum resins and their production with BF3 catalyst | Kenneth Lewtas, James Hanley Clark, Karen Wilson | 2005-03-15 |
| 6646067 | Petroleum resins and their production with BF3 catalyst | Kenneth Lewtas, James Hanley Clark, Karen Wilson | 2003-11-11 |
| 6479598 | Petroleum resins and their production with BF3 catalyst | Kenneth Lewtas, James Hanley Clark, Karen Wilson | 2002-11-12 |
| 6403743 | Petroleum resins and their production with supported catalyst | James Hanley Clark, Kenneth Lewtas, Jennifer Katie Shorrock, Karen Wilson, Janet Chisem | 2002-06-11 |