Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623848 | Water-absorbing polymers having interstitial compounds, a process for their production, and their use | Helmut Brehm, Jörg Issberner, Richard Mertens | 2003-09-23 |
| 6620889 | Powdery, crosslinked absorbent polymers, method for the production thereof, and their use | Richard Mertens | 2003-09-16 |
| 6605673 | Powdery, cross-linked polymers which absorb aqueous liquids and blood, method for the production thereof and their use | Richard Mertens | 2003-08-12 |