Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371115 | Cationically polymerizable compositions containing iron metallolene salt | Hans Zweifel | 1994-12-06 |
| 5371259 | Iron (II) metallocene salts | Roger Salvin | 1994-12-06 |
| 5310909 | Photochromic compounds, a process for their preparation, and their use | Evelyn Fischer, Walter Fischer, Jurgen Finter, Martin Roth | 1994-05-10 |
| 5300380 | Process for the production of relief structures using a negative photoresist based on polyphenols and epoxy compounds or vinyl ethers | Martin Roth | 1994-04-05 |
| 5286611 | Photoresist | Robert J. Lunn, Christoph Kroehnke, Giuliano Eugster | 1994-02-15 |