Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978797 | Process for the preparation of 2-hydroxy-4-(hydroxyalkoxy)-benzophenone | Bongsub Kim | 1990-12-18 |
| 4544738 | Reactive pyrazole group containing monoazo dye | Hans-Peter Baumann | 1985-10-01 |
| 4511506 | Reactive bis-triazinyl stilbene dyes | Hans-Peter Baumann | 1985-04-16 |
| 4431584 | Triazinyl reactive dyes containing a 1-naphtol-4,8-disulfonic acid component | Hans-Peter Baumann | 1984-02-14 |