Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate
2005-04-26
2005-04-26
Powers, Flona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
Reexamination Certificate
active
06884876
ABSTRACT:
The present invention relates to water insoluble disperse-reactive dyes expressed by the formula (3) and (4) and to their preparation, (3) (4) wherein each of Ar1and Ar2represents aryl or benzothiazole group, and each of R, R1, R2, and R3independently represents hydrogen, alkyl, alkoxy, cyanoalkyl or aminoacetyl group.
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Burkinshaw et al., “The Dyeing of Conventional and Microfibre Nylon 6.6 with Reactive Disperse Dyes,” Dyes and Pigments, vol. 25, pp. 31-48, 1994.
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Kim Sun Il
Kim Tae Kyung
Oh Sea Wha
Shin Jong Il
Shin Seung Rim
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Korea Research Institute of Chemical Technology
Powers Flona T.
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