Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586534 | Agglomerated particles of finely divided polymers which are water-soluble or capable of swelling in water and contain ammonium carboxylate groups | Martin Rubenacker, Reinhard Schneider, Jurgen Nieberle, Heinrich Hartmann, Axel Kistenmacher | 2003-07-01 |
| 6512055 | Copolymers and their reaction products with amines as fuel and lubricant additives | Wolfgang H. H. Gunther, Knut Oppenlander, Heinrich Hartmann, Helmut Mach, Harald Schwahn +1 more | 2003-01-28 |