Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451920 | Process for making polyalkylene/maleic anhydride copolymer | James J. Harrison | 2002-09-17 |
| 6358892 | Polyalkylene succinimides and post-treated derivatives thereof | James J. Harrison | 2002-03-19 |