Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882091 | Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts as builders in detergents and cleaning agents | Wulf Ruback | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882091 | Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts as builders in detergents and cleaning agents | Wulf Ruback | 1989-11-21 |