Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803015 | Continuous process for the production of acyloxybenzenesulfonic acids | Adolf Studeneer | 1989-02-07 |
WW
Werner Wellbrock
Overall (1989): #44,959 of 140,708Top 35%
1
Patents 1989