Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880859 | Light-stabilized star polymer microparticles | Mario Slongo, Franciszek Sitek, Andreas Valet | 1989-11-14 |
| 4853471 | 2-(2-Hydroxyphenyl)-benztriazoles, their use as UV-absorbers and their preparation | Mario Slongo | 1989-08-01 |