Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657133 | Rigid polyurethane foams | Holger Seifert, Johann Klassen, Louis Du Rieu, Werner Wiegmann | 2017-05-23 |
| 5364852 | Preparation of compact or cellular elastomers containing urethane and urea groups, and moldings produced therefrom | Werner Hinz, Christian Maletzko, Johannes Becker | 1994-11-15 |
| 4925888 | Mixture for stabilizing polyurethanes | Alexander Aumueller, Peter Neumann, Peter Spang, Hubert Trauth | 1990-05-15 |
| 4789691 | Elastomers containing polyamide groups and polyurea groups in bonded form, as well as a process for the preparation of elastic, non-cellullar molded articles from these elastomers | Peter Horn, Hans U. Schmidt | 1988-12-06 |