Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464286 | Cationic bituminous emulsions | — | 1984-08-07 |
| 4462840 | Mixing of asphalt emulsion and aggregate in aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1984-07-31 |
| 4450011 | Cationic bituminous emulsions | Hans G. Schreuders | 1984-05-22 |
| 4447269 | Cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1984-05-08 |