Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324880 | .beta.-Hydroxybutyric acid polyesters, a process for their production and their use as starting materials for lacquers | Rolf Dhein, Hans Rudolph, Jorg Pfitzner | 1982-04-13 |