Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057858 | Method for improving the corrosion resistance and lightfastness of painted aluminum oxide layers | Andreas Dierdorf, Stefan Brand, Hubert Liebe, Frank Osterod, Oliver Eich | 2011-11-15 |
| 5277982 | Process for producing anodic films exhibiting colored patterns and structures incorporating such films | — | 1994-01-11 |
| 5259957 | Porous membranes suitable for separation devices and other uses | Aron Rosenfeld, Robin C. Furneaux, Michael P. Thomas | 1993-11-09 |
| 5250173 | Process for producing anodic films exhibiting colored patterns and structures incorporating such films | — | 1993-10-05 |
| 5218472 | Optical interference structures incorporating porous films | Aron Rosenfeld | 1993-06-08 |
| 5180598 | Liquid and/or temperature activated elapsed time indicators suitable, in particular, as doneness indicators for foodstuffs | — | 1993-01-19 |
| 5167793 | Process for producing anodic films exhibiting colored patterns and structures incorporating such films | — | 1992-12-01 |
| 5112449 | Two phase metal/oxide films | Aron Rosenfeld | 1992-05-12 |