Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786661 | Process for the rapid dissolution of water-soluble polymers | Wolfgang Hubner, Helmut Klein, Otto Schroer | 1988-11-22 |
| 4530943 | Process for the rapid dissolution of water-soluble polymers | Wolfgang Hubner, Helmut Klein, Otto Schroers | 1985-07-23 |