Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668259 | Metallizable disazo compounds having 1, 3-dihydroxybenzene bis-coupling component radicals, iron complexes thereof and mixtures of such iron complexes | Herbert Holliger, Jose R. Sorolla | 1997-09-16 |