Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679879 | Process for the production of substituted aromatic hydrocarbons from corresponding anilines by dediazoniation | Graham Vaughan SCOTT | 1997-10-21 |
| 5646085 | Material based on tungsten carbide(s), catalyst and process useful for the hydrogenation of an aromatic nitro or nitroso derivative employing this catalyst | Roland Jacquot | 1997-07-08 |