Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091854 | Construction panel with high resistance to fire and a method for producing a construction panel with high resistance to fire | Werner Schwiebacher, Kai Stuart Martin, Bert Naurath, Albert Klöckener | 2024-09-17 |
| 8091304 | Construction board | — | 2012-01-10 |
| 5665290 | Process for manufacturing brick mouldings | Thomas Fandel | 1997-09-09 |
| 5522928 | Binder for interior plasters | Hans Roggendorf | 1996-06-04 |
| 5520729 | Process for producing heat-insulating material | Hanns-Jorg Engert | 1996-05-28 |
| 5472997 | Process for reprocessing plastic wastes | Wolfgang Schmitz, Olaf Musebrink | 1995-12-05 |
| 5340513 | Process for the production of calcium hydrosilicate bonded shaped articles | Klaus-Michael Hessler, Olaf Musebrink | 1994-08-23 |
| 5273581 | Method of making a hydraulic binder settable upon combination with water | Udo Ludwig, Alexander Frohlich | 1993-12-28 |
| 5227100 | Process for producing gypsum building materials | Klaus-Michael Hessler, Olaf Musebrink, Joachim Kieker | 1993-07-13 |
| 5154874 | Method of producing gypsum/fiber board, especially for floor boards | — | 1992-10-13 |
| 5093093 | Process for preparing calcium sulfate alpha hemihydrate | — | 1992-03-03 |
| 5015449 | Process for making construction grade calcium sulfate alpha-hemihydrate from moist finely divided gypsum obtained from a power plant flue gas desulfurization | — | 1991-05-14 |
| 5015450 | Process for making calcium sulfate alpha-hemihydrate from calcium sulfate dihydrate | — | 1991-05-14 |
| 4971627 | Method for producing and using a cement-type binding material | Udo Ludwig, Alexander Froehlich | 1990-11-20 |
| 4670055 | Method for quick setting of a pourable raw mixture | — | 1987-06-02 |