Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247456 | Water-insoluble monoazo pyridone dye | Ernst Heinrich, Otto Grawinger, Karl Hintermeier, Horst Kindler | 1981-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247456 | Water-insoluble monoazo pyridone dye | Ernst Heinrich, Otto Grawinger, Karl Hintermeier, Horst Kindler | 1981-01-27 |