Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820389 | Novel benzaldehyde dialkyl acetals and preparation and use thereof | Dieter Degner, Walter Gramlich, Hardo Siegel | 1989-04-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820389 | Novel benzaldehyde dialkyl acetals and preparation and use thereof | Dieter Degner, Walter Gramlich, Hardo Siegel | 1989-04-11 |