Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841028 | Reactive dyes comprising a reactive radical bonded to the chromophor by a urea bridge member | Peter Aeschlimann | 1989-06-20 |
| 4801406 | Dicyanobenzanthrone compounds | — | 1989-01-31 |