Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7943678 | Method for the preparation of new segmented polyurethanes with high tear and tensile strengths and method for making porous scaffolds | Ralf Guillaume Jean Catharina Heijkants, Jacqueline de Groot, Ralph Van Calck | 2011-05-17 |
| 7786326 | Polyacylurethanes based on diisocyanates and polyesterpolyols | Ralf Guillaume Jean Catharina Heijkants, Arend Jan Schouten, Leendert Willem Schwab, Frans Vincent Roukes | 2010-08-31 |
| 7297726 | Hydrogels and methods for their production | Coenraad Spaans, Jacqueline deGroot | 2007-11-20 |
| 6846875 | Hydrogels and methods for their production | Coenraad Spaans, Jacqueline deGroot | 2005-01-25 |
| 6784273 | Biomedical polyurethane, its preparation and use | Coenraad Spaans, Jacqueline de Groot, Folkert Gerhardus Dekens | 2004-08-31 |
| 5672367 | Biodegradable chewing gum | Dirk Wybe Grijpma, Johannes Fredericus Laimbock | 1997-09-30 |
| 5110852 | Filament material polylactide mixtures | Sylwester Gogolewski | 1992-05-05 |
| 5068073 | Method of manufacturing polyethylene fibers by high speed spinning of ultra-high-molecular-weight polyethylene | Mees Roukema | 1991-11-26 |
| 4915893 | Method of preparing polyester filament material | Sylwester Gogolewski | 1990-04-10 |
| 4661530 | Biocompatible, antithrombogenic materials suitable for reconstructive surgery | Sylwester Gogolewski | 1987-04-28 |