Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080222 | Apparatus for the recovery of ethylene glycol in the production of polyethylene terephthalate | Rolf Ambrassat | 2011-12-20 |
| 7951980 | Process and apparatus for the recovery of ethylene glycol in the production of polyethylene terephthalate | Rolf Ambrassat | 2011-05-31 |
| 7223830 | Method and device for the production of polytrimethylene terephthalate | — | 2007-05-29 |
| 6864345 | Process and apparatus for producing polyethylene terephthalate | — | 2005-03-08 |