Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332435 | High bond strength cement additives | Bruce T. Wright | 1994-07-26 |
| 5328505 | Cationic aqueous bituminous aggregate slurries for hot climates | — | 1994-07-12 |
| 5320671 | Cationic aqueous bituminous aggregate slurries for hot climates | — | 1994-06-14 |
| 5208319 | Rosin-based grind resins for aqueous printing inks | — | 1993-05-04 |
| 5192361 | Submicron lignin-based binders for water-based black ink formulations | — | 1993-03-09 |
| 5188665 | Lignin amine salt-based binders for water-based black ink formulations | — | 1993-02-23 |
| 5182326 | Rosin and fatty acid based pigment grinding aids for water-based ink formulations | Paul J. Leblanc | 1993-01-26 |
| 5178674 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1993-01-12 |
| 5160453 | Cationic aqueous bituminous emulsion-aggregate slurries | — | 1992-11-03 |
| 5096494 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1992-03-17 |
| 5096495 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1992-03-17 |
| 5085704 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1992-02-04 |
| 5085702 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | Hans G. Schreuders | 1992-02-04 |
| 5079362 | Accelerators for cationic aqueous bituminous emulsion-aggregate slurries | — | 1992-01-07 |
| 5074485 | Thread guide | — | 1991-12-24 |
| 5073297 | Cation-active emulsifier | — | 1991-12-17 |
| 5034060 | Cationic aqueous bituminous emulsion-aggregate slurries with improved curing rates | Hans G. Schreuders | 1991-07-23 |
| 5019168 | Cationic slurry seal emulsifiers | — | 1991-05-28 |
| 5012870 | Aminated sulfonated or sulformethylated lignins as cement fluid loss control additives | — | 1991-05-07 |
| 5008382 | Cationic aqueous bituminous emulsion-aggregate slurries preparation | Hans G. Schreuders | 1991-04-16 |
| 4997481 | Cationic slurry seal emulsifiers | — | 1991-03-05 |
| 4995909 | Cationic slurry seal emulsifiers | — | 1991-02-26 |
| 4990592 | Anionic slurry seal emulsifiers | — | 1991-02-05 |
| 4990591 | Anionic slurry seal emulsifiers | — | 1991-02-05 |
| 4990590 | Anionic slurry seal emulsifiers | — | 1991-02-05 |