Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743269 | Process for preparing navy dyeings on polyester fibers using mixture of blue and red azo dyes | Heinz Geiger, Hans Otten, Horst Brandt | 1988-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743269 | Process for preparing navy dyeings on polyester fibers using mixture of blue and red azo dyes | Heinz Geiger, Hans Otten, Horst Brandt | 1988-05-10 |