Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559271 | Method for producing polyesters with a reduced content of free acetaldehyde | Gerald Rafler, Rainer Hagen | 2003-05-06 |
| 6013756 | Process for producing polyesters using titanium-containing catalyst-inhibitor combinations | Rainer Hagen, Heinz Zimmermann | 2000-01-11 |