Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248836 | Amphiphilic graft polymers based on graft bases containing n--vinylcarboxylic acid units, process for their preparation and their use | Anton Negele, Martin Rubenacker, Hubert Meixner | 2001-06-19 |
| 6184310 | Method for producing polymers containing carbamate units and the use thereof | Manfred Niessner, Sabine Weiguny, Primoz Lorencak, Armin Stamm | 2001-02-06 |
| 6159340 | Hydrolyzed polymers of N-vinylcarboxamides as paper, paperboard and cardboard dry strength enhancers | Manfred Niessner, Claudia Nilz, Martin Rubenacker, Rudolf Schuhmacher | 2000-12-12 |
| 6133392 | Insoluble polymers which can swell only slightly with modified amino groups, processes for their preparation, and their use | Martin Rubenacker, Claudia Nilz, Rainer Rahm | 2000-10-17 |
| 6057404 | Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and use thereof | Manfred Niessner, Dietmar Monch, Martin Rubenacker | 2000-05-02 |