Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365761 | Method for the production of low-residual-stress rolled strip | Alfred Knauschner, Gerhard Poppe, Lutz Hofmann | 1994-11-22 |
| 5318709 | Process for the production of surfactant mixtures based on ether sulfonates and their use | Willi Wuest, Rainer Eskuchen | 1994-06-07 |