Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959101 | Production of polysaccharide-based polycarboxylates | Herbert Fischer | 1999-09-28 |
| 5856470 | Oxidation process for producing polycarboxylates from polysaccharides | Thomas Moeller, Herbert Fischer, Wolf-Eckart Noack | 1999-01-05 |
| 5821360 | Fluidized-bed oxidation process for the production of polysaccharide-based polycarboxylates | Herbert Fischer, Werner Juettner, Hans-Wilhelm Verholt, Thomas Moeller | 1998-10-13 |
| 5541316 | Process for the production of polysaccharide-based polycarboxylates | Herbert Fischer, Hans-Wilhelm Verholt | 1996-07-30 |
| 5501814 | Detergents and cleaning preparations containing selected builder systems | Herbert Fischer, Beatrix Kottwitz, Horst Upadek, Christian Nitsch | 1996-03-26 |
| 5312864 | .alpha.-cyanoacrylate adhesive compositions | Gerhard Wenz, Herbert Fischer, Heinz C. Nicolaisen, Steven B. Harris | 1994-05-17 |
| 5286346 | Deinking of wastepaper with quaternized hydroxyethyl cellulose | Herbert Fischer, Klaus Hornfeck, Doris Oberkobusch, Ludwig Schieferstein | 1994-02-15 |
| 5238533 | Flotation process for removing fillers from wastepaper in the presence of polymers and copolymers | Herbert Fischer, Klaus Hornfeck, Doris Oberkobusch, Ludwig Schieferstein | 1993-08-24 |
| 4618582 | Process for producing Xanthomonas biopolymers | Werner Stein, Michael Bahn, Ludwig Schieferstein, Joachim Schindler, Rolf Schmid | 1986-10-21 |
| 4507474 | Process for highly substituted carboxyalkyl celluloses and mixed ethers thereof | Wilfried Raehse, Norbert Kuehne, Willi Wuest | 1985-03-26 |