Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194200 | Method of creating silica ceramic membranes | Lixin Chu | 1993-03-16 |
| 5169576 | Method of making metal oxide ceramic membranes with small pore sizes | Qunyin Xu | 1992-12-08 |
| 5137607 | Reactor vessel using metal oxide ceramic membranes | Walter A. Zeltner | 1992-08-11 |
| 5128064 | Cadmium sulfide membranes | Lubomir Spanhel | 1992-07-07 |
| 5104539 | Metal oxide porous ceramic membranes with small pore sizes | Qunyin Xu | 1992-04-14 |
| 5096745 | Preparation of titanium oxide ceramic membranes | Qunyin Xu | 1992-03-17 |
| 5059346 | Cadmium sulfide membranes | Lubomir Spanhel | 1991-10-22 |
| 5035784 | Degradation of organic chemicals with titanium ceramic membranes | Simonetta Tunesi, Qunyin Xu | 1991-07-30 |
| 5028568 | Niobium-doped titanium membranes | Hirofumi Kikkawa | 1991-07-02 |
| 5006248 | Metal oxide porous ceramic membranes with small pore sizes | Qunyin Xu | 1991-04-09 |