Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318705 | Process for improving the lightfastness of conventionally dyed leather | Rudolf Nowak, Dolf Stockhausen | 1982-03-09 |
| 4312998 | Method for making N-substituted acrylamides | Erich Kuster, Bernhard Goossens, Eduard Barthell | 1982-01-26 |