Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344767 | Process for coloring linear polyesters in the melt | Gerhard Umsonst, Max Jost | 1982-08-17 |
| 4212643 | Transfer dye | — | 1980-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344767 | Process for coloring linear polyesters in the melt | Gerhard Umsonst, Max Jost | 1982-08-17 |
| 4212643 | Transfer dye | — | 1980-07-15 |