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Inventor: Roentgen; Georg
Address: Freiburg, DE
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604669 |
Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing |
October 20, 2009 |
| Dye mixtures, comprising at least one dye of formula ##STR00001## and at least one dye from the group of formulae ##STR00002## wherein B.sub.1, B.sub.2 and B.sub.3 are each independently of the others an organic bridging member, Q.sub.1 is C.sub.1-C.sub.4alkyl, halogen or a radical |
| 7572301 |
Fibre-reactive dyes, their preparation and their use |
August 11, 2009 |
| Reactive dyes of formula ##STR00001## wherein Q.sub.1 and Q.sub.2 are each independently of the other hydrogen or unsubstituted or substituted C.sub.1-C.sub.4alkyl, D.sub.1 is the radical of a diazo component, which is itself a mono- or dis-azo dye or contains such a dye, D.sub.2 has |
| 7553340 |
Reactive dyes, a process for their preparation and their use |
June 30, 2009 |
| Reactive dyes of formula (1) wherein R.sub.1 is hydrogen or unsubstituted or substituted C.sub.1-C.sub.4alkyl, R.sub.2 is hydrogen; C.sub.1-C.sub.4alkyl; C.sub.1-C.sub.4alkoxy unsubstituted or substituted by sulfato, hydroxy or by C.sub.1-C.sub.4alkoxy; halogen; carboxy or sulfo, R.s |
| 7087730 |
Fiber-reactive azo dyes, their preparation and their use |
August 8, 2006 |
| Reactive dyes of formula (I), wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, Q.sub.1, and Q.sub.2 are each independently of the other hydrogen or unsubstituted or substituted C.sub.1 C.sub.4alkyl, ( |
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