Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288926 | Process for preparing a bisphenol | Emil Patrascu, Jochen Gressmann, Johann-Wilhelm Frey, Ulrich Wallbaum | 1994-02-22 |
DT
Dieter Tank
Overall (1994): #141,952 of 165,921Top 90%
1
Patents 1994