Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350800 | Process for the preparation of synthetic resins based on resorcinol compounds | Wolfgang Hesse, Klaus Schmiedel | 1982-09-21 |
| 4306102 | P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture | Georg Schaeffer | 1981-12-15 |
| 4277421 | Process for the manufacture of para-tert.butylbenzaldehyde and its derivatives which are halogen-substituted at the nucleus | Georg Schaeffer | 1981-07-07 |
| 4190600 | Process for the manufacture of m-halobenzoyl halides | — | 1980-02-26 |