Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879361 | Preparation of bead polymers from water-soluble, ethylenically unsaturated monomers | Gerd Rehmer, Wilfried Heide, Heinrich Hartmann, Karl-Clemens Peters | 1989-11-07 |