Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399768 | Metallocenyl-phthalocyanines | Heinz Wolleb, Annemarie Wolleb, Jean-Luc Budry | 2002-06-04 |
| 6245403 | Writable and erasable high-density optical storage media | Heinz Spahni, Jin Mizuguchi, Annemarie Wolleb, Jean-Luc Budry, Gerald Giller | 2001-06-12 |
| 5962657 | Complex polymethine dyes and their use | Heinz Wolleb | 1999-10-05 |
| 5958650 | Complex polymethine dyes and their use | Heinz Wolleb | 1999-09-28 |
| 5871882 | High capacity recording media | Heinz Wolleb, Marcus Baumann | 1999-02-16 |
| 5851621 | High-capacity storage media | Heinz Wolleb, Jean-Luc Budry | 1998-12-22 |
| 5641879 | Phthalocyanines substituted by phosphorus-containing groups | Heinz Wolleb, Hanspeter Preiswerk, Heinz Spahni | 1997-06-24 |
| 5583223 | Thermochromic compounds, their preparation and the use thereof | Walter Fischer, Heinz Wolleb | 1996-12-10 |
| 5481002 | Azolyl thermochromic compounds | Walter Fischer, Heinz Wolleb | 1996-01-02 |
| 5391762 | Nir dyes, methods of preparing them and their use | Rudolf Naef, Hanspeter Preiswerk | 1995-02-21 |
| 5266699 | NIR dyes, methods of preparing them and their use | Rudolf Naef, Hanspeter Preiswerk | 1993-11-30 |
| 5116674 | Composite structure | Heinz Spahni | 1992-05-26 |
| 4970315 | Copper and nickel dihalide complexes, their preparation and the use thereof | — | 1990-11-13 |
| 4808279 | Process for preparing magnetic recording material | Martin Moskovits | 1989-02-28 |