Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420447 | Viscoelastic damping foam having an adhesive surface | Christoph Kittel, Carsten Kliwer, Cornelia Peters | 2002-07-16 |
| 5334338 | Process for manufacturing a sound insulating structure | Christoph Kittel, Hans Walendy, Manfred Hoffmann | 1994-08-02 |
| 5185380 | Recycling of thermosetting polyurethane soft foam | Cornelia Diessel, Carsten Kliwer, Ehrenfried Blumel, Christoph Kittel | 1993-02-09 |
| 4839397 | Polyurethane soft foam with sound insulating and vibration damping properties | Ernst Lohmar | 1989-06-13 |