Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019610 | Process for the production of polymer-modified asphalts and asphalts emulsions | Roger K. Chatterjee | 1991-05-28 |
| 4243612 | Benzylic oxidation process | Peter E. Throckmorton, Robert A. Grimm | 1981-01-06 |