Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997587 | Azo dye mixtures, azo dyes, processes for their preparation, and their use | — | 1999-12-07 |
| 5925746 | Azo dyes, processes for their preparation and the use thereof | Patric Nowack | 1999-07-20 |
| 5639864 | Azo dyes, containing a triazine middle component and a monoazo and a disazo dye radical | — | 1997-06-17 |
| 5631352 | Azodyes containing a bridge member based on diamino-substituted triazines | — | 1997-05-20 |
| 5554734 | AZO dyes containing a bridge member based on stibene and morpholino-substituted triazine | — | 1996-09-10 |
| 5542956 | Process for dyeing or printing hydroxyl group containing fiber materials | David McMullan, Rudolf Schaulin | 1996-08-06 |
| 5439486 | Triphenedioxazines, their preparation and the use thereof | — | 1995-08-08 |
| 5371200 | Fibre-reactive formazan dyes, processes for their preparation and their use | Athanassios Tzikas | 1994-12-06 |
| 5328995 | Azo dyes containing triazine middle components and a 1,4-phenylene-2,5-disubstituted coupling component | Rudolf Schaulin | 1994-07-12 |
| 5324330 | Dye mixtures and the use thereof | Rudolf Schaulin | 1994-06-28 |
| 5320648 | Process for dyeing or printing hydroxyl group containing fibre materials | David McMullan, Rudolf Schaulin | 1994-06-14 |
| 5268475 | Triphene dioxazine dyestuffs | — | 1993-12-07 |
| 5225545 | Disazo dyes containing a 1-hydroxy-3-sulfo-acylaminophenyl-amino-naphthalene coupling component | — | 1993-07-06 |
| 5223000 | Mixtures of triphenedioxazine oligomers, their preparation and the use thereof for dyeing cotton or cotton-polyester blends | — | 1993-06-29 |
| 5149791 | Chlorotriazine reactive dyes having a 4-methoxy-2-sulfoaniline diazo component and 2-amino-5-naphthol-7-sulfonic acid coupling component | Athanassios Tzikas | 1992-09-22 |