Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843171 | 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes | Rolf Fischer | 1989-06-27 |
| 4804786 | Preparation of 4-monoacetals of 2-methylbut-2-ene-1,4-dial | Rolf Fischer | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843171 | 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes | Rolf Fischer | 1989-06-27 |
| 4804786 | Preparation of 4-monoacetals of 2-methylbut-2-ene-1,4-dial | Rolf Fischer | 1989-02-14 |