Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843152 | Copper complexes of disazo compounds having di- or tri- sulfonaphthol and 6-[2,4-di-(amino or substituted amino)-1,3,5-triazia-6-ylamino-]-1-hydroxy-3-sulfonaphthalene coupling component radicals | Paul Doswald | 1989-06-27 |