Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885394 | Process for the preparation of tertiary phosphine oxides | Norbert Weferling | 1989-12-05 |
JS
Jurgen Svara
Overall (1989): #91,378 of 140,708Top 65%
1
Patents 1989