Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667576 | Asphalt emulsions | Charles R. Milburn | 1997-09-16 |
| 5667577 | Filled asphalt emulsions containing betaine emulsifier | Charles R. Milburn | 1997-09-16 |
| 5558702 | Asphalt emulsions containing amphoteric emulsifier | Charles R. Milburn | 1996-09-24 |
| 5019610 | Process for the production of polymer-modified asphalts and asphalts emulsions | Gary E. Sitz | 1991-05-28 |