Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530961 | Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials | Andreas Schrell | 2003-03-11 |
| 6171348 | Blue dyeing mixtures of fiber-reactive dyestuffs and their use for dyeing fiber material containing hydroxy and/or carboxamide groups | Werner Russ, Andreas von der Eltz, Bengt-Thomas Grobel | 2001-01-09 |
| 5938796 | Alkali system for dyeing cellulosic textiles by padding methods | Andreas Schrell | 1999-08-17 |
| 5704951 | Mixtures of blue-dyeing fiber-reactive dyes and their use for dyeing hydroxy-and/or carboxamido-containing fiber material | Andreas von der Eltz, Werner Russ, Bengt-Thomas Grobel | 1998-01-06 |