Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646228 | Process for the preparation of blocked polyisocyanates, and their use in polyurethane coating systems | Rainer Gras | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646228 | Process for the preparation of blocked polyisocyanates, and their use in polyurethane coating systems | Rainer Gras | 1997-07-08 |