Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621152 | Process for removing olefinic impurities from 2H-heptafluoropropane (R 227) | Rolf Jansen | 1997-04-15 |
PH
Peter Hopp
Overall (1997): #94,094 of 185,788Top 55%
1
Patents 1997