Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314816 | Direct blue dyes from the condensation of diaminostilbenedisulfonic acid with N-alkyl or N-hydroxyalkyl-8-amino-1-naphthol-3,6-disulfonic acid | — | 1982-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314816 | Direct blue dyes from the condensation of diaminostilbenedisulfonic acid with N-alkyl or N-hydroxyalkyl-8-amino-1-naphthol-3,6-disulfonic acid | — | 1982-02-09 |