Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864027 | Silane derivatives | Hans H. Shubert, Walter Luders, Werner Knauf | 1989-09-05 |
| 4843167 | Process for the preparation of ortho-substituted arylcarboximidoesters | Harald Knorr | 1989-06-27 |