Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428750 | Process for the localized lightening, white discharging or colored discharging of dyeings on textile sheet-like structures using dye dissolving agent | Walter Birke, Hans-Ulrich von der Eltz, Erich Feess | 1984-01-31 |
| 4207058 | Apparatus for drying a continuously moving web | Gerhard Petersohn, Hans-Ulrich von der Eltz, Walter Birke | 1980-06-10 |
| 4194879 | Process for the dyeing or printing of polyester fibers | Walter Birke, Hans-Ulrich von der Eltz | 1980-03-25 |
| 4194881 | Process for the dyeing or printing of polyester fibers | Walter Birke, Hans-Ulrich von der Eltz | 1980-03-25 |
| 4194882 | Process for the dyeing or printing of polyester fibers | Walter Birke, Hans-Ulrich von der Eltz | 1980-03-25 |
| 4194880 | Process for the dyeing or printing of polyester fibers | Walter Birke, Hans-Ulrich von der Eltz | 1980-03-25 |
| 4194878 | Process for the dyeing or printing of polyester fibers | Walter Birke, Hans-Ulrich von der Eltz | 1980-03-25 |