Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695529 | Liquid formulation of N-(2-sulfatoethyl)piperazine sulfate | Michael Meier, Heinz-Georg Kautz | 1997-12-09 |
| 5684141 | Aminated cellulosic synthetic fibers | Werner Russ, Bernd Huber | 1997-11-04 |
| 5601621 | Process for the production of a fiber material and process for the dyeing of the modified fiber material with anionic textile dyes | Werner Russ, Thomas Riehm | 1997-02-11 |