Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286831 | At least substantially pore-free polyurethane molding compounds | Bernhard Hess, Heinrich Heine, Joachim Franke, Hans-Dieter Jakob | 1994-02-15 |
| 4812589 | Polyhydroxyl compounds containing a sulfonic acid ester group | Walter Uerdingen, Heinrich Heine, Dieter Freitag | 1989-03-14 |
| 4462926 | Thixotropising agents for unsaturated polyester resins | Heinz-Werner Keesen | 1984-07-31 |