Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888124 | Preparation of stable dispersions of finely divided polyisocyanates and preparation of heat-crosslinkable isocyanate systems | Rainer Blum, Horst Belde, Rolf Osterloh | 1989-12-19 |
| 4849262 | Pigment printing pastes and dyeing liquors containing stable dispersions of finely divided solid polyisocyanates | Rainer Blum, Horst Belde | 1989-07-18 |