Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7378221 | Metallocenyl phthalocyanines as optical recording media | Jürgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton +7 more | 2008-05-27 |
| 7034148 | Metallocenyl phthalocyanines as optical recording media | Jürgen Beyrich, Rudolf Blattner, Jean-Luc Budry, Wolfgang Freitag, Colin Morton +7 more | 2006-04-25 |
| 5882359 | Vat dye mixtures, processes for their preparation and their use for dyeing cellulosic fibre materials | Peter Leupin | 1999-03-16 |