Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192811 | Process for preparing a flame-resistant, elastic soft polyurethane foam | Ulrich Heitmann | 1993-03-09 |
| 5169876 | Process for producing a flame-resistant elastic soft polyurethane foam | Ulrich Heitmann | 1992-12-08 |