Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355058 | Powdery coating media and their use | Rainer Gras, Elmar Wolf | 1982-10-19 |
| 4255551 | Coating materials and their application prepared from polyisocyanates blocked with imidazolines | Elmar Wolf, Rainer Gras | 1981-03-10 |
| 4246394 | Process of hardening epoxy coating composition with dicyandiamide/imidazoline derivative | Felix Schulde | 1981-01-20 |
| 4242248 | Storage-stable baking lacquers prepared from polyisocyanates blocked with cyclic amidines | Rainer Gras, Elmar Wolf | 1980-12-30 |
| 4210687 | Method for the coating of glass surfaces | Gunter Dormann, Rainer Gras, Elmar Wolf | 1980-07-01 |
| 4200725 | Method of producing blocked polyisocyanates by reaction of an imidazoline with an isocyanate | Rainer Gras, Elmar Wolf | 1980-04-29 |