Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891154 | Defoaming agents and process of defoaming | Holger Tesmann, Heinz Mueller, Margarete Gruenert, Adolf Asbeck | 1990-01-02 |
| 4759962 | Elastomeric sealing gasket assembly and its method of manufacture | Hans-Juergen Buecken, Hans Pabel | 1988-07-26 |
| 4561873 | Modification of deposit formation in glass furnace heat recovery | Rudolf Novotny, Siegfried Staller, Johannes Kramer | 1985-12-31 |
| 4504410 | Organopolysiloxane anti-foaming agents | Margarete Grunert, Holger Tesmann, Heinz-Joachim Muller | 1985-03-12 |
| 4421666 | Powdery antifoaming compositions for aqueous systems, their preparation and use | Edmund Schmadel | 1983-12-20 |
| 4396524 | Preparation of polysiloxane block polymers and their use as foam inhibitors | Edmund Schmadel, Herbert Reuter, Gunther Vogt | 1983-08-02 |
| 4384976 | Foam inhibitor useful in synthetic resin, lacquer, and paint dispersions | Margarete Grunert, Holger Tesmann | 1983-05-24 |
| 4339342 | Anti-foaming agents, the preparation thereof, and their use in aqueous systems | Edmund Schmadel | 1982-07-13 |
| 4267108 | Hydroxyalkane diphosphonic acids | Helmut Blum, Karl-Heinz Worms | 1981-05-12 |