Sumitomo Chemical Company, Limited

Noriaki Yamauchi

Kunihiko Imada

Yutaka Kayane

Shinei Ikeou

Isao Nakamae

Shinnei Ikeou

Kazumi Yoshigoe

Takashi Omura

Naoki Harada

Kazufumi Yokogawa

Shuhei Hashizume

Takemi Tokieda

Hiroyuki Suzuki

Nobuaki Kawamura

Iwao Minami

Syuhei Hashizume

Tatuo Miura

A granular reactive dye composition comprising a water-soluble reactive dye and at least one granulating auxiliary agent selected from the group consisting of compounds of the following formula (3), ##STR1## wherein R is --C.sub.s H.sub.2s+1, in which s is an integer of 5 to 20 and wherein the content of the granulating auxiliary agent is 5 parts by weight or less per 100 parts by weight of the reactive dye.

Granular reactive dye composition and production process thereof

A granular type reactive dye composition containing a reactive dye, an inorganic salt and water, the water content being from 4.5 through 15% by weight and the inorganic salt content being 20% by weight or less, both based on the weight of the composition, which is excellent in storage stability, compatibility with water and hot water, and reproducibility, when used for dyeing or printing cellulose fibers.

Granular type reactive dye compositions and methods for dyeing and

An aqueous liquid dye composition comprising 5 to 50% by weight of a mixture of at least one dye represented by the following formula (I), ##STR1## wherein A is a phenylene or naphthylene group unsubstituted or substituted by at least one member selected from methyl, methoxy, sulfo and carboxy, R is methyl or carboxy, Y.sub.1, Y.sub.2 and Y.sub.3 independently of one another are each hydrogen, chloro, methyl or sulfo, and Z is a group splittable by the action of an alkali, and at least one dye represented by the following formula (II), ##STR2## where A, R, Y.sub.1 Y.sub.2 and Y.sub.3 are as defined above, which can be stored for a long period of time even at lower temperatures such as 5.degree. C. or lower without crystallization of the dye.

Stabilized aqueous liquid composition of fiber-reactive azo dye: mixture

An aqueous liquid composition containing a reactive dye of the following formula

Demineralization of aqueous liquid dye composition

An aqueous liquid dye composition comprising 10 to 50% by weight of a fiber-reactive copper phthalocyanine dye represented by the following formula (I) in the form of a free acid, ##STR1## wherein Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by the action of an alkali, and m and n are independently a number of 1 to 3, provided that they satisfy the following formula, 2&lt;m+n.ltoreq.4, 0.1 to 20% by weight of at least one cyclic imide selected from .epsilon.-caprolactam and N-methylpyrrolidones and the balance of water, which is chemically and physically stable, even when stored for a long period of time at ambient temperature or stored at a relatively high temperature such as 50.degree. to 80.degree. C.

Aqueous liquid dye composition of C.I. reactive blue ZI and caprolactam

An aqueous liquid dye composition comprising a dye represented by the following formula in a free acid form, ##STR1## wherein Y is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 X in which X is a group splittable by the action of an alkali, and a pH buffer, the dye being in the form of a lithium salt, and the liquid dye composition having a pH value of from 3 through 7 and a dye content of from 5 through 50% by weight based on the weight of the liquid dye composition, which can be stored stably for a long period of time even at a low temperature such as 0.degree. C. or lower, and a high temperature such as 40.degree. C. or higher.

Aqueous liquid composition of vinylsulfone type reactive dyes in lithium

A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein A is phenylene unsubstituted or substituted with methyl, methoxy, chloro, carboxy or sulfo, or naphthylene unsubstituted or substituted with sulfo, R.sub.1 and R.sub.2 are independently hydrogen, chloro, methyl, nitro, carboxy or sulfo, excepting the case where both R.sub.1 and R.sub.2 are hydrogen, and X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Y in which Y is a splittable group by the action of an alkali, which is useful for dyeing or printing fiber materials in a deep red color, and an aqueous liquid product of which is stable chemically and physically, even when stored for a long period of time.

Fiber-reactive monoazo compound and aqueous compositions thereof

An aqueous liquid dye composition comprising 5 to 50% by weight of a reactive dye represented by the following formula, ##STR1## wherein D denotes a sulfo group-containing organic dye residue, R.sub.1 and R.sub.2 independently of one another denote a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group unsubstituted or substituted with a halogen atom or a hydroxyl, cyano, C.sub.1 to C.sub.4 alkoxy, carboxy, carbamoyl, C.sub.1 to C.sub.4 alkoxycarbonyl, C.sub.1 to C.sub.4 alkylcarbonyloxy, sulfo or sulfamoyl group, A denotes a phenylene group unsubstituted or substituted with one or two members selected from methyl, ethyl, methoxy, ethoxy, chlorine, bromine and sulfo, or a naphthylene group unsubstituted or substituted with one sulfo group, X denotes a halogen atom, and Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z in which Z is a splittable group by the action of an alkali, 0.1 to 10% by weight of .epsilon.-caprolactam and the balance of water, the composition having a pH value of 3 to 7, which can be stored for a long period of time at a low temperature such as 5.degree. C. or lower without deterioration in its solution state.

Reactive dye-containing aqueous liquid composition

An aqueous liquid composition comprising at least one dye represented by the following formula in a free acid form,

Aqueous liquid sulphato-ethylsulphonyl reactive dye composition

An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an substituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by an alkali, in an amount of 5 to 50% by weight based on the weight of the liquid dye composition, the liquid dye composition having a pH value of from 3 to 7.

Growing community of inventors

Hirakata, Japan

Noriaki Yamauchi