Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672633 | Powdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbents | Helmut Brehm | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672633 | Powdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbents | Helmut Brehm | 1997-09-30 |