Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257769 | Use of quaternary ether amines as fiber processing agents | Rolf Kleber, Erich Hoffmann | 1981-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257769 | Use of quaternary ether amines as fiber processing agents | Rolf Kleber, Erich Hoffmann | 1981-03-24 |