Sulger; Werner
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sulger; Werner.The latest application filed is for "methine dyes which have at least one heterocycle containing two nitrogen atoms and preparation thereof".
- Sulger; Werner - Ueberlingen-Nussdorf DE
| Patent | Date |
|---|---|
| Methine dyes which have at least one heterocycle containing two nitrogen atoms and preparation thereof Grant 4,960,890 - Daltrozzo , et al. October 2, 1 | 1990-10-02 |
| Methine dyes having a pyridyl group and a pyridyl or a quinolinyl group Grant 4,876,347 - Daltrozzo , et al. October 24, 1 | 1989-10-24 |
| Methine dyes and preparation thereof Grant 4,751,309 - Daltrozzo , et al. June 14, 1 | 1988-06-14 |
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