Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077349 | Highly flexible polyurethane plastics and coatings which are resistant to chemicals and a process for their production | Hermann Gruber | 1991-12-31 |
| 4719278 | Process for the preparation of thixotropic binders, the binder obtainable by this process and their use for the preparation of coating and sealing compounds | Wolfgang Wellner, Hermann Gruber | 1988-01-12 |
| 4677181 | Polyhydroxyl compounds containing ether and ester groups and their use in the production of polyurethane plastics | Peter Hohlein, Hermann Gruber | 1987-06-30 |
| 4609572 | Process for the production of chemically resistant coatings | Hermann Gruber | 1986-09-02 |