Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799932 | Oiling agents based on sulfosuccinic acid monoamides | Hans-Herbert Friese, Uwe Ploog | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799932 | Oiling agents based on sulfosuccinic acid monoamides | Hans-Herbert Friese, Uwe Ploog | 1989-01-24 |