Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821292 | 3-arylacrylic acid ester light-protection stabilizers for organic material | Alexander Aumuller, Martin Holderbaum, Jurgen Krockenberger, Hubert Trauth | 1998-10-13 |
| 5807504 | Stabilizer mixture composed of chroman derivatives, organic phosphites or phosphonites and amines | Jurgen Krockenberger, Hubert Trauth, Alexander Aumuller | 1998-09-15 |
| 5118859 | Preparation and purification of 2-hydroxy-4-(2'-hydroxyethoxy)phenyl aryl ketones | Alexander Aumueller | 1992-06-02 |