Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328995 | Azo dyes containing triazine middle components and a 1,4-phenylene-2,5-disubstituted coupling component | Urs Lauk | 1994-07-12 |
| 5324330 | Dye mixtures and the use thereof | Urs Lauk | 1994-06-28 |
| 5320648 | Process for dyeing or printing hydroxyl group containing fibre materials | David McMullan, Urs Lauk | 1994-06-14 |