Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316584 | Method for producing polyesters and copolyesters | Ulf Seidel | 2001-11-13 |
| 5789528 | Process for the preparation of polyesters and copolyesters | Thomas Mezger, Bernard Kuhn, Gerriet Oberlein, Klaus Haferland, Bertram Boehringer +1 more | 1998-08-04 |
| 5684116 | Titanium dioxide/silicon dioxide coprecipitates and titanium dioxide/zirconium dioxide coprecipitates as polycondensation catalysts for polyesters and copolyesters | Thomas Mezger, Gerriet Oberlein, Klaus Haferland, Bertram Böhringer, Ulrich Berger | 1997-11-04 |