Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4654418 | Continuous removal of the catalyst from polyphenylene ethers | Hermann Dreher, Juergen Hambrecht, Eduard Heil, Rudi W. Reffert, Johann Swoboda +2 more | 1987-03-31 |
RB
Rosemarie Berger
Overall (All Time): #3,971,317 of 4,157,543Top 100%
1
Patents All Time