Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461482 | Process for preparing high-purity phytantriol | Wolfram Burst, Jürgen Däuwel, Jürgen Koppenhöfer | 2002-10-08 |
| 6346254 | Cosmetic and pharmaceutical preparations comprising ascorbic acid derivatives | Bernd Ostersehlt, Horst Westenfelder | 2002-02-12 |