Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377519 | Navy blue water-soluble sulfophenyl- or sulfonaphthyl-azo-1,4-phenylene-azo-5-(8-anilinonaphthalene-1-sulfonic acid) dyes for polyamides | — | 1983-03-22 |
| 4217102 | Polyamides dyed with rubine disazo acid dyes and process therefore | — | 1980-08-12 |
| 4199318 | Washfast disazo dyestuffs | — | 1980-04-22 |