Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647962 | Process for the preparation of xerogels | Andreas Zimmermann | 1997-07-15 |
| 5622979 | Thiangazole, its preparation, compositions and use thereof | Gerhard H ofle, Norbert Bedorf, Edgar Forche, Klaus Gerth, Herbert Irschik +6 more | 1997-04-22 |
| 5621152 | Process for removing olefinic impurities from 2H-heptafluoropropane (R 227) | Peter Hopp | 1997-04-15 |
| 5610038 | Thiangazole, its preparation, compositions and use thereof | Gerhard Hofle, Norbert Bedorf, Edgar Forche, Klaus Gerth, Herbert Irschik +6 more | 1997-03-11 |
| 5604249 | Thiangazole, its preparation, compositions and use thereof | Gerhard H ofle, Norbert Bedorf, Edgar Forche, Klaus Gerth, Herbert Irschik +6 more | 1997-02-18 |