Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013884 | Manually actuated electrical switch | Gerd Rudolph | 2000-01-11 |
| 4542194 | Naphtha-soluble, hydrogenated alkyl aryl ketone/formaldehyde resins and process for their production | Jorg Dorffel, Werner Otte, Friedrich Heinrich | 1985-09-17 |
| 4268695 | Process for the continuous preparation of butane-1,4-diol | Manfred Z. Hausen | 1981-05-19 |
| 4250337 | Two stage hydrogenation to make neopentyl glycol | Manfred zur Hausen, Manfred Kaufhold | 1981-02-10 |