Issued Patents All Time
Showing 1–13 of 13 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 |
| 6849315 | Fast-writable and precision-writable high-capacity optical storage media | Urs Lehmann, Peter Aeschlimann, Peter Sutter, Beat Schmidhalter, Jean-Luc Budry | 2005-02-01 |
| 6245403 | Writable and erasable high-density optical storage media | Jin Mizuguchi, Beat Schmidhalter, Annemarie Wolleb, Jean-Luc Budry, Gerald Giller | 2001-06-12 |
| 5641879 | Phthalocyanines substituted by phosphorus-containing groups | Heinz Wolleb, Hanspeter Preiswerk, Beat Schmidhalter | 1997-06-24 |
| 5407885 | Photochromic naphthacenequinones, process for their preparation and the use thereof | Walter Fischer, Jurgen Finter | 1995-04-18 |
| 5300663 | Photochromic naphthacenequinones, process for their preparation and the use thereof | Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter | 1994-04-05 |
| 5225525 | Photochromic benzothioxanthone oxides, process for their preparation and the use thereof | Walter Fischer, Jurgen Finter | 1993-07-06 |
| 5208354 | Photochromic naphthacenequinones, process for their preparation and the use thereof | Walter Fischer, Jurgen Finter | 1993-05-04 |
| 5206395 | Photochromic naphthacenequinones, process for their preparation and the use thereof | Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter | 1993-04-27 |
| 5177218 | Photochromic benzothioxanthone oxides, process for their preparation and the use thereof | Walter Fischer, Jurgen Finter | 1993-01-05 |
| 5177227 | Photochromic naphthacenequinones, process for their preparation and the use thereof | Walter Fischer, Evelyn Fischer, Ernst Minder, Manfred Hofmann, Jurgen Finter | 1993-01-05 |
| 5116674 | Composite structure | Beat Schmidhalter | 1992-05-26 |