Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438867 | Method for drying and producing microporous particles and a drying device | Friedhelm Teich, Heiner Schelling, Herbert Köster, Horst Kratzer, Wolfgang Reichert +1 more | 2002-08-27 |
| 6017505 | Method of producing inorganic aerogels under subcritical conditions | Thomas Gerber | 2000-01-25 |
| 5738801 | Hydrophobic silica aerogels | Norbert Mronga, Friedhelm Teich, Gunter Herrmann | 1998-04-14 |
| 5560961 | Process of making metal-coated melamine/formaldehyde resin fibers | Joerg Adel, Erwin Hahn, Georg Mermigidis | 1996-10-01 |