Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344767 | Process for coloring linear polyesters in the melt | Gerhard Umsonst, Max Jost | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344767 | Process for coloring linear polyesters in the melt | Gerhard Umsonst, Max Jost | 1982-08-17 |