Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348514 | Polyamines containing urea groups | Wilfried Lobach, Gunter Kolb, Wolfgang Lehmann, Gunther Cramm, Friedhelm Muller | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348514 | Polyamines containing urea groups | Wilfried Lobach, Gunter Kolb, Wolfgang Lehmann, Gunther Cramm, Friedhelm Muller | 1982-09-07 |