| 5232603 |
Use of water-soluble copolymers of monoethylenically unsaturated carboxylic acids and vinylimidazoles or derivatives thereof for water treatment |
Walter Denzinger, Heinrich Hartmann, Charalampos Gousetis, Alfred Ruland |
1993-08-03 |
| 5073269 |
Preparation of water-soluble copolymers of maleic acid and use thereof as water treatment agents |
Walter Denzinger, Heinrich Hartmann, Felix Richter, Hans-Juergen Raubenheimer, Ekhard Winkler |
1991-12-17 |
| 5025103 |
Glycerol aminocarboxylates and preparation and use thereof |
Alfred Oftring, Stefan Birnbach, Rolf Fikentscher, Richard Baur, Alexander Kud +1 more |
1991-06-18 |
| 4855394 |
Reaction products and condensates based on substituted propyleneureas and their preparation |
Harro Petersen, Rolf Osterloh, Eberhard Schupp, Werner Loch, Thomas Schwerzel |
1989-08-08 |
| 4818794 |
Slightly crosslinked, water-soluble polymaleic acid, its preparation and its use |
Walter Denzinger, Heinrich Hartmann, Felix Richter, Hans-Juergen Raubenheimer, Ekhard Winkler |
1989-04-04 |
| 4818795 |
Polymaleic acid, its preparation and its use |
Walter Denzinger, Heinrich Hartmann, Felix Richter, Ekhard Winkler, Hans-Juergen Raubenheimer |
1989-04-04 |
| 4374872 |
Casein coatings for leather insolubilized with alkoxy alkyl ureas |
Guenter Eckert, Lothar Wuertele, Harro Petersen, Kurt F. Fischer |
1983-02-22 |