Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627756 | Preparation of pure triethylenediamine | Hartmut Riechers, Arthur Hohn, Joachim Simon, Ortmund Lang, Hartmut Schoenmakers +1 more | 2003-09-30 |
| 6534680 | Dicarboxylic acid crystallizates | Dieter Baumann, Hermann Wistuba, Bernhard Otto | 2003-03-18 |