Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911735 | Process for dyeing wool | Hans-Ulrich von der Eltz, Karl-Heinz Rostermundt | 1990-03-27 |
| 4746324 | Isothermal rapid-dyeing process for wool with vinyl sulfone type reactive dyes and sulfuric acid added at dyeing temperature | Hans-Ulrich von der Eltz, Karl-Heinz Rostermundt, Joachim W. Lehmann | 1988-05-24 |
| 4737157 | Rapid exhaust process for dyeing wool with reactive dyes: acid added at 95.degree.-106.degree. C. | Hans-Ulrich von der Eltz, Karl-Heinz Rostermundt | 1988-04-12 |