Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698607 | Tertiary diamine, its use as catalyst, and process for preparing tertiary diamines | Josef Heveling, Ulrich Daum | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698607 | Tertiary diamine, its use as catalyst, and process for preparing tertiary diamines | Josef Heveling, Ulrich Daum | 1997-12-16 |