Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013328 | Aftertreatment of dyed substrates | Oskar Annen | 1991-05-07 |
| 4913705 | Dyeing a mixed fibre fabric of cellulose/polyacrylonitrile of cellulose/acid-modified polyester with a reactive dye and a basic dye | Claudio Artico | 1990-04-03 |
| 4272244 | Disperse dyeing of polyvinyl chloride-acetelized polyvinyl alcohol fibers | — | 1981-06-09 |