Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731448 | Process for the preparation of 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol | Siegfried Kintopf, Lutz Konig, Hans-Werner Stephan | 1988-03-15 |
| 4479021 | Continuous process for producing 1,2-alkanediols | Rudolf Maul | 1984-10-23 |