Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355163 | Anthraquinone reactive dyestuffs | Klaus von Oertzen, Wolfgang Harms | 1982-10-19 |
| 4332938 | Anthaquinone reactive dyestuffs, their preparation and their use for dyeing materials containing OH groups or amide groups | Wolfgang Harms, Klaus von Oertzen | 1982-06-01 |