Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868227 | Mineral and textile webs bonded with a cured resin mixture | Fritz E. Kempter, Franz Matejcek, Werner Neubach | 1989-09-19 |
| 4831106 | Low-Formaldehyde binders | Fritz E. Kempter, Franz Matejcek, Werner Neubach | 1989-05-16 |