Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279802 | Method for the production of a pigment preparation for coloring linear polyesters in the melt | Gunther Zwahlen, Lothar Buxbaum | 1981-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279802 | Method for the production of a pigment preparation for coloring linear polyesters in the melt | Gunther Zwahlen, Lothar Buxbaum | 1981-07-21 |