Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358561 | Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum-and cement-containing compounds | Rene Kiesewetter, Werner Lange | 1994-10-25 |
| 5352730 | Coating system for materials which swell in water | Erhard Luhmann, Burkhard Kressdorf, Lutz Hoppe, Gunter Weber, Sebastian Meyer-Stork | 1994-10-04 |
| 5324776 | Process for the preparation of polymers containing amino groups | Hans-Josef Buysch | 1994-06-28 |
| 5324777 | Process for the production of polymers containing ammonium groups | Hans-Josef Buysch, Dieter Arlt | 1994-06-28 |
| 5310849 | Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced | Hans-Josef Buysch, Klaus Konig, Alexander Klausener, Jorn Breckwoldt | 1994-05-10 |
| 5294702 | Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cellulose | Jorn Breckwoldt | 1994-03-15 |
| 5278304 | Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production | Reinhard Kniewske, Rene Kiesewetter | 1994-01-11 |