Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366240 | Color photographic recording material containing non-diffusing electron donor precursor compounds | Wolfgang Lassig, Ernst Meier | 1982-12-28 |
| 4275200 | Process for the production of oxazolinone-2-compounds | Fritz Benker, Hans-Heinrich Credner, Wolfgang Lassig, Ernst Meier | 1981-06-23 |