Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802887 | Compositions comprising a water-soluble metal complex dye, an oxyalklated amine sulphate ester and a dispersing agent | — | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802887 | Compositions comprising a water-soluble metal complex dye, an oxyalklated amine sulphate ester and a dispersing agent | — | 1989-02-07 |