Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329006 | Chromogenic lactam compounds, their preparation and their use | Hans-Peter Baumann | 1994-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329006 | Chromogenic lactam compounds, their preparation and their use | Hans-Peter Baumann | 1994-07-12 |