Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874865 | Preparation of substituted lactams | Martin Fischer | 1989-10-17 |
| 4855444 | .alpha.-pyrrolidones and a method for preparation thereof | — | 1989-08-08 |
LW
Ludwig Wambach
Overall (1989): #21,226 of 140,708Top 20%
2
Patents 1989