Phthalimidylazo dyes, processess for the preparation thereof...

Details Phthalimidylazo dyes, processess for the preparation thereof... Phthalimidylazo dyes, processess for the preparation thereof...

2007-01-30

2007-01-30

Powers, Fiona T. (Department: 1626)

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

Organic compounds

Azo

C008S466000, C008S696000, C008S922000

Reexamination Certificate

active

10538892

ABSTRACT:
The present invention relates to dyes of formula (I) wherein R1is C1–C12alkyl or —CnH2n—(OCH2CH2)m—OR3, n being a number from 2 to 8, m being a number from 0 to 4 and R3being C1–C12alkyl, C6–C24aryl or C6–C24aralkyl, R2is methyl, ethyl, n-propyl, n-butyl, 2-methoxyethyl or 2-ethoxyethyl, X is halogen and Y is hydrogen, chlorine or bromine, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, more especially textile materials

REFERENCES:
patent: 3923776 (1975-12-01), Gnad
patent: 4133806 (1979-01-01), Gnad
patent: 2004/0097716 (2004-05-01), Clement et al.
patent: 2004/0116681 (2004-06-01), Clement et al.
patent: 2005/0176857 (2005-08-01), Dreier et al.
patent: 1 302 221 (1973-01-01), None
patent: 52085584 (1977-07-01), None
patent: 53119930 (1978-10-01), None
patent: 53138431 (1978-12-01), None
patent: 53138432 (1978-12-01), None
English Abstract AN-1977-61950Y [35] for JP 52085584 (1977).
English Abstract AN-1979-04691B [25] for JP 53138431 (1979).
English Abstract AN-1978-84875A [47] for JP 53119930 (1978).
English Abstract AN-1979-04692B {03} for JP 53138432 (1979).

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