Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357277 | Novel process for the preparation of N,N'-bisacyl hydrazides | Winfried Orth, Fritz Lange | 1982-11-02 |
| 4332728 | Process for the preparation of bisacyl hydrazines | Winfried Orth, Fritz Lange | 1982-06-01 |