Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234465 | Pad-dyeing of cellulose fibers with sulfur black dyes: mixture of dithionite and glucose reducing sugar as reducing agent in aqueous alkaline dye bath | Manfred Hahnke, Claus Schuster, Joachim Steinbach, Gerd Krauzpaul | 1993-08-10 |