Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023309 | Water dispersible, modified polyurethane thickener with improved high shear viscosity in aqueous systems | Uno Kruse, Wilbur Mardis | 1991-06-11 |
| 4499233 | Water dispersible, modified polyurethane and a thickened aqueous composition containing it | Marvin T. Tetenbaum | 1985-02-12 |
| 4436862 | Thermally stable thickener | Marvin T. Tetenbaum | 1984-03-13 |