Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882448 | Si,Si'diorganyl-N-alkyl-tetrachloro-disilazanes and a process for their preparation | — | 1989-11-21 |
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Tilo Vaahs
Overall (1989): #49,407 of 140,708Top 40%
1
Patents 1989