Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698448 | Method for making aromatic phosphorus compounds | Werner Ude, Siegmund Besecke, Guenther Schroeder | 1987-10-06 |
| 4675458 | Method for making 9,9-bis-(4-hydroxyphenyl)-fluorene | Werner Ude | 1987-06-23 |
| 4638099 | Method for making 4,4'-dihydroxydiphenyl ether | Werner Ude | 1987-01-20 |