| 5563249 |
Acidic monoazo dyestuffs |
— |
1996-10-08 |
| 5092905 |
Mixtures of at least three anionic dyes and their use for dyeing natural and synthetic polyamides |
— |
1992-03-03 |
| 4764175 |
Metal-free monoazo and disazo compounds having a 1-hydroxy-5,6-, 7- or 8- substituted 1,3,5-triazinylamino-3- or 4 sulfonic acid coupling component radical and 1:1 copper complexes |
Reinhard Pedrazzi |
1988-08-16 |
| 4742161 |
Disazo and trisazo compounds containing one 6-hydroxypyrid-2-one coupling component radical per azo radical |
— |
1988-05-03 |
| 4742160 |
Sulfo group-containing basic azo compounds having a central 1,3,5-triazine ring and two terminal 1-hydroxynaphthyl-2 groups and 1:1 and 1:2 metal complexes therof |
Reinhard Pedrazzi |
1988-05-03 |
| 4670546 |
Disazo and polyazo compounds containing at least two cationic groups in metal-free or 1:1 or 1:2 metal complex form |
Reinhard Pedrazzi |
1987-06-02 |
| 4618673 |
Salts of the 1:2 chromium complex of 4-(5'-chloro-2'-hydroxy-3'-sulfophenylazo)-3-methyl-1-phenylpyrazol-5-on e and 4-(3', 5'-dichloro-2'-hydroxyphenylazo)-3-methyl-1-phenylpyrazol-5-one |
— |
1986-10-21 |
| 4499018 |
Polyphthalocyanine compounds useful as dyestuffs |
Helmut Moser |
1985-02-12 |
| 4396544 |
Asymmetric 1:2 chromium complexes of monoazo compounds |
— |
1983-08-02 |