Method of printing cellulosic fiber materials without an...

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo

Reexamination Certificate

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C540S126000, C544S076000, C544S189000, C008S528000

Reexamination Certificate

active

06953845

ABSTRACT:
Reactive dyes of formulawherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, R1, R2and R3are each hydrogen or unsubstituted or substituted C1-C4alkyl, X1and X2are halogen, B is an organic bridging member, T is a reactive radical as defined herein and V1and V2are each independently of the other N, C—H, C—Cl or C—F, give prints that are distinguished by brilliant color shades and good all-round properties.

REFERENCES:
patent: 3474084 (1969-10-01), Griffiths et al.
patent: 4725674 (1988-02-01), Segal et al.
patent: 4925928 (1990-05-01), Tzikas
patent: 5196032 (1993-03-01), Oschatz
patent: 5936073 (1999-08-01), Phillips et al.
patent: 5989297 (1999-11-01), Reichert et al.
patent: 0354409 (1990-02-01), None
patent: 755985 (1997-01-01), None

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