Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820389 | Novel benzaldehyde dialkyl acetals and preparation and use thereof | Dieter Degner, Walter Gramlich, Hardo Siegel | 1989-04-11 |
FL
Franz Lanzendoerfer
Overall (1989): #33,965 of 140,708Top 25%
1
Patents 1989