Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512700 | Process for purifying a bisphenol | Emil Patrascu, Karl Kraehling | 1996-04-30 |
| 5288926 | Process for preparing a bisphenol | Emil Patrascu, Dieter Tank, Johann-Wilhelm Frey, Ulrich Wallbaum | 1994-02-22 |