Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324354 | Pigment formulations containing a pigment, a colorant having an external basic group and a surfactant | Joachim Jesse, Juan Antonio Gonzalez Gomez, Paul Guenthert | 1994-06-28 |