Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773622 | Continuous process for the preparation of 4-amino-2,2,6,6-tetramethylpiperidine | Udo Jegelka, Gerhard Bachstaedter, Guenter Kreilkamp, Gerhard Thelen | 1998-06-30 |
| 5693817 | Solvent-free process for preparing 4-amino-2,2,6,6-tetramethylpiperidine | Elmhart Neuber, Gerhard Thelen | 1997-12-02 |