Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296027 | Single-component alkali metal silicate cement composition | Josef Ernst, Peter Wirtz | 1994-03-22 |
| 4597796 | One-component alkali metal silicate cement composition | Josef Ernst | 1986-07-01 |
| 4483968 | Process for the manufacture of a cementitious resin solution | — | 1984-11-20 |
| 4378341 | Process for the manufacture of ammonium nitrilotrisulfonate | Hans-Peter Rieck, Jurgen Russow | 1983-03-29 |
| 4350206 | Fire extinguishing foam concentrate and its application | Bernd Hoffmann, Siegfried Jung | 1982-09-21 |