Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828652 | Removal of aldehydes from .alpha., .beta.-olefinically unsaturated carboxylic acids | — | 1989-05-09 |
WS
Wilhelm K. Schropp
Overall (1989): #43,220 of 140,708Top 35%
1
Patents 1989