Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880859 | Light-stabilized star polymer microparticles | Jean Rody, Franciszek Sitek, Andreas Valet | 1989-11-14 |
| 4853471 | 2-(2-Hydroxyphenyl)-benztriazoles, their use as UV-absorbers and their preparation | Jean Rody | 1989-08-01 |
| 4824612 | Process for oxidizing secondary aromatic alcohols | Werner Rutsch | 1989-04-25 |