Abstract: The present invention provides a reactive dyestuff with an alkylthio group and a ?-sulfatoethylsulfone group, which is represented by formula (I), wherein D, R, R1, R2, R3, R4, Q, x, and y are defined the same as the specification. The reactive dyestuffs of the present invention not only have characteristics of high solubility, high alkali solubility, and easily being washed off for dyeing cellulose fiber, but also are suitably applied in cold-pad-batch dyeing, continuous-dyeing, printing, and digital printing.

Abstract: The present invention discloses a reactive yellow dye composition comprising component (A) and component (B). The component (A) is a reactive azo dye represented by the following formula (I) or formula (II), The component (B) is a reactive azo dye represented by the following formula (III), wherein the substituents of the formulas (I), (II) and (III) are defined the same as in the specification. Moreover, the reactive yellow dye composition of the present invention has excellent build-up, wash-off and light fastness and can be applied with dyestuffs in other colors.

Abstract: The present invention relates to a diazo dyestuff compound of the following formula (I) wherein, M is H, Na, or Li. The formula (I) compound is particularly suitable for using as a component in a black dye composition for ink-jet printing ink, and inkjet printing inks with good light-fastness are obtained.

Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.

Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.

Abstract: The present invention relates to a black dye composition, comprising: (a) at least one azo dye of the following formula (I), (b) at least one azo dye of the following formula (II) or (III), wherein R1, R2, and R3 are defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention for textile digital printing exhibits the properties of excellent color depth, fixation, stability of storage, stability and accuracy of printing for long time, and improves the issue of nozzle cloggage.

Abstract: The present invention relates to a novel trisazo reactive dyestuff compound of the following formula (I): wherein, R, A, B, D, and m are defined the same as in the specification. The trisazo reactive dyestuff compound of the present invention exhibits the properties of good solubility, good alkali-resistant solubility, and good wash-off, while dyeing cellulose fibers.

Abstract: A dye composition, comprising (A) at least one disazo dye selected from the formula (I) or (II), wherein R, R1, R2, D1 and D2 are defined as in the specification; and (B) a diazo dye of the formula (III), wherein (R9)0˜2, (R10)0˜2, Q1 and Q2 are defined as in the specification. These dye compositions have high fixation and good build-up. They are distinguished also by high washing off and low nylon staining and they are suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or polyamide fibers, such as wool, silk, and nylon etc. Dyed materials with excellent properties can be obtained, showing especially outstanding performance in washing off, levelness, build-up, wet fastness and light fastness.

Abstract: The present invention relates to a black dye composition, comprising: (a) a compound of the following formula (I), (b) a compound of the following formula (II), (c) a compound of the following formula (III), wherein R1, R2, R3, and R4 are defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention is suitable for paper ink-jet printing, and exhibits the properties of good light-fastness, high color strength, solubility, and fine fluency of ink.

Abstract: The present invention provides a reactive red dye composition comprising (A) 3% to 97% by weight of a reactive azo dye of the following formula (I), wherein W, D1 and D2 are defined the same as the specification; and (B) 97% to 3% by weight of a reactive azo dye of the following formula (II), wherein R, X, Z, D3 and D4 are defined the same as the specification. The reactive red dye composition of the present invention can be utilized to dye cellulose fibers. The cellulose fibers dyed by the reactive red dye composition obtain not only good build-up and level dyeing properties but also an excellent property of white discharging.

Abstract: The present invention provides a compound of the following formula (I): wherein R1 is methyl or 4-aminobutyl, which may be acylated; X is phenyl or substituted phenyl; W is an esterified group removable by hydrogenolysis. Also disclosed is the preparation method and the application of formula (I) compound.

Abstract: A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing, cold batch-up dyeing and continuous dyeing materials that contain hydroxyl group or nitrogen group fibers.

Abstract: A fiber reactive dyestuff of the following formula (I) wherein the definition of D, R, R1, R2, X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness, build-up and chlorine fastness.

Abstract: The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, R1 is —SO2CH2CH2OSO3H or —SO2CH?CH2 or —SO2CH2CH2OH; M is H, Na or Li; (B) a compound of the following formula (II) wherein, R1 is —SO2CH2CH2OSO3H or —SO2CH?CH2 or —SO2CH2CH2OH; M is H, Na or Li; and (C) a compound of the following formula (III) wherein, R1 is —SO2CH2CH2OSO3H or —SO2CH?CH2 or —SO2CH2CH2OH; M is H, Na or Li; these compositions are particularly suitable for using in paper inkjet printing ink, and inkjet printing inks with good light-fastness and solubility are obtained.

Abstract: A method for preparing a prostaglandin F-type compound. Also disclosed is an intermediate of the following formula (II) compound wherein R?, X and A have the same meaning as given in the specification.

Abstract: A reactive dye composition having satisfactory reproducibility, leveling, washing off and toughness under balanced affinity and reactivity, and improving Right First Time success ratio, for dyeing a cellulose fiber or fiber materials containing the cellulose fiber. The reactive dye composition comprising: (a) at least one reactive red dyestuff selected from the group consisting of the following formulas, the component (a) is present in an amount ranging from 1% to 99% by weight, and (b) at least one yellow reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176, and at least one blue reactive dyestuff selected from the group consisting of the following Color Index: C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222, the component (b) is present in an amount ranging from 99% to 1% by weight.

Abstract: The present invention relates to a azo dyestuff compound of the following formula (I), of which the free acid is represented by the following formula: wherein R1, R2, R3, R4, and n are defined as in the specification. The azo dyestuff compound of formula (I) of the present invention is used for preparing polarizing film. The present invention also relates to a polarizing film comprising the azo dyestuff compound of formula (I), which has excellent degree of polarization.

Abstract: A photoresist composition for LCD light diffuse reflecting film is disclosed, which comprises (a) 8 to 90% by weight of base-soluble resin; (b) 1 to 30% by weight of polyfunctional unit; (c) 0.1 to 20% by weight of photopolymerization initiator; (d) 0.1 to 20% by weight of thermosetting cross-linking reagent; (e) 0.01 to 10% by weight of ultraviolet absorber; and (f) 8 to 90% by weight of solvent.

Abstract: The present invention discloses a yellow dye compound having a structure of the following formula (I): wherein M is H, Li, NH4 or Na. The dye compound of the present invention is particularly applied to yellow dye compound for paper-printing ink jet ink and can be made into yellow ink jet ink with greenish yellow, wide color gamut, and excellent solubility.

Abstract: The present invention relates to a azo dyestuff compound of the following formula (I), of which the free acid is represented by the following formula: wherein R1, R2, R3, R4, and n are defined as in the specification. The azo dyestuff compound of formula (I) of the present invention is used for preparing polarizing film. The present invention also relates to a polarizing film comprising the azo dyestuff compound of formula (I), which has excellent degree of polarization.