Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846892 | Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment and its use | Erwin Hahn, Peter Hauser, Manfred Patsch | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846892 | Tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment and its use | Erwin Hahn, Peter Hauser, Manfred Patsch | 1989-07-11 |