Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366312 | Metal complexes of isoindolinazines, process for their preparation and use | — | 1982-12-28 |
| 4355159 | Nickel complex pigments of azines | Paul Lienhard, Andre Pugin | 1982-10-19 |
| 4349671 | Process for the production of metal complexes of isoindoline azines | Paul Lienhard | 1982-09-14 |