Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845266 | Process for the preparation of polyester polyols | Joachim Jaehme, Joachim Streu | 1989-07-04 |
MM
Matthias Marx
Overall (1989): #80,146 of 140,708Top 60%
1
Patents 1989