Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470383 | Thickener combinations for building products | Walter Schermann, Dennis Miller, Eckhard Hilgenfeldt | 1995-11-28 |
| 5432215 | Building material products containing organic polymers as thickeners | Friedrich Girg | 1995-07-11 |
| 5387626 | Additive combination for improving the processing properties of water-containing mixtures of building materials | Friedrich Girg, Heinz-Josef Mann | 1995-02-07 |