Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332588 | Disperse dye stable to dyeing, and its use for dyeing and printing synthetic and semi-synthetic fibre materials | Stefan Koller | 1982-06-01 |
| 4329144 | Disperse dye stable to dyeing, and its use for dyeing and printing synthetic and semi-synthetic fibre materials | Stefan Koller | 1982-05-11 |
| 4327999 | Disperse dye stable to dyeing, and its use for dyeing synthetic and semi-synthetic fibre materials | Stefan Koller, Suresh C. Agarwal | 1982-05-04 |