Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880576 | Acid halides, a process for their preparation | Heinz U. Blank, Norbert Langenfeld | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880576 | Acid halides, a process for their preparation | Heinz U. Blank, Norbert Langenfeld | 1989-11-14 |