Sumitomo Chemical Company, Limited

Daiei Chemical Co., Ltd.

Takashi Omura

Naoki Harada

Yutaka Kayane

Kingo Akahori

Tetsuya Miyamoto

Akira Takeshita

Takeshi Washimi

Yasuo Tezuka

Yasuyoshi Ueda

Kazuya Ogino

Kazufumi Yokogawa

Toshihiko Morimitsu

Hirokazu Sawamoto

Sadanobu Kikkawa

Katsumasa Otake

Narutoshi Hayashi

Yosuke Yamamoto

Masaki Sunami

Miyao Takahashi

Mahito Fujita

Takahiko Fujisaki

Jun Yamamoto

Kunihiko Imada

Hideo Kawashita

Junichi Sekihachi

Shinei Ikeou

Hideo Hattori

Kaneo Yokoyama

Koji Aburada

Yuriko Tamura

Setsuko Yamamoto

Toshiyuki Araki

Atsushi Inoue

Masayuki Miki

Kiyoyasu Hashimoto

Shigeru Kawabata

Mikoto Takahashi

Sigeru Sasaki

Yoshimi Ebiike

Yoshiaki Hayashi

Yasuyuki Suzuki

Takehiro Kusumoto

Nobutaka Kunimi

Yuzo Maegawa

Shuhei Hashizume

Noriaki Yamauchi

Masao Nishikuri

Yoshiteru Ohta

Kiyoharu Nakatsuka

Takashi Ikeda

Junya Hada

Masanobu Terao

Satoshi Yamazaki

Yasuji Mori

Narutohsi Hayashi

Hideharu Sone

A dye-containing polarizing film having neutral color which comprises at least one disazo dye represented by the formula (I) in the form of the free acid

Dye containing polarizing film

An asymmetric dioxazine compound represented by the following formula (I) in the free acid form: ##STR1## wherein A.sub.1 and A.sub.2 independently of one another are each sulfo, halo, alkyl or alkoxy, X.sub.1 and X.sub.2 independently of one another are each hydrogen, halo, alkyl, alkoxy or phenoxy, R.sub.1 is hydrogen or unsubstituted or substituted alkyl, R.sub.2 and R.sub.3 independently of one another are each hydrogen, alkyl, alkoxy, halo or unsubstituted or substituted amino, Z is a fiber-reactive group, m and n independently of one another are each 0 or 1, provided that m.noteq.n, and L is 1 or 2. This compound is suitable for dyeing and printing cellulose fiber, natural and synthetic polyamide fibers, polyurethane fiber, leather and the like and mixed yarns thereof, to obtain dyed or printed products of a color fast to light, wetness and chlorine with superior build-up and level dyeing properties.

Asymmetric dioxazine compounds and method for dyeing or printing fiber

A monoazo compound represented by the general formula (I): ##STR1## wherein D is an optionally substituted phenyl or an optionally substituted naphthyl;

Monoazo compounds and dyeing or printing methods using the same

A reactive dye composition comprising an anthraquinone compound(I) of the following formula: ##STR1## wherein Z represents --CH=CH2 or --CH2CH2Z.sup.1 in which Z.sup.1 represents a group splitable by the action of an alkali other than a carboxypyridinio group and an anthraquinone compound(II) of the following formula: ##STR2## and a method for dyeing or printing cellulose-containing fiber materials using the same.

Anthraquinone reactive dye compositions and methods for dyeing or

An azo compound of the following formulae (I) or (II): ##STR1## wherein Q.sub.1 represents a phenyl group or a naphthyl group, Q.sub.2 represents a phenyl group; R represents hydroxy group; R.sub.1 and R.sub.2 each independently represent a hydrogen atom, a hydroxy group, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a halogen atom; R.sub.3 and R.sub.4 each independently represent a hydrogen atom, a hydroxy group, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a substituted amino group; and X represents --NH--, --NHCO-- or --N.dbd.N--; or a salt thereof; and a polarizing film containing the same.

Azo compound and a polarizing film containing the same

A tetrakisazo compound of the formulae: ##STR1## wherein Q.sup.1 represents a phenyl or naphthyl group, Q.sup.2 represents a phenyl which is substituted by at least one substituent selected from a hydroxy group and an amino group, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represents a hydrogen atom, a hydroxy group, a lower alkyl group, a lower alkoxy group or a substituted or unsubstituted amino group, or a salt thereof, and a polarizing film which comprises the tetrakisazo compound or a salt thereof and which may further comprise other organic dyes.

Tetrakisazo compound and a polarizing film containing the same

An asymmetric dioxazine compound of the following formula: ##STR1## wherein R is sulfo, halogeno, alkoxy, alkyl or carboxy; R.sub.1 and R.sub.2 are each hydrogen or alkyl; R.sub.3 is hydrogen, alkyl or acyl; X.sub.1 and X.sub.2 are each hydrogen, halogeno, alkyl, alkoxy or phenoxy; Y is aliphatic amino having a vinylsulfonyl or .beta.-substituted ethylsulfonyl fiber-reactive group; and Q is unsubstitued, substituted or cyclic amino; is useful for dyeing or printing fiber materials blue with excellence in build-up properties and various fastness properties.

Asymmetric dioxazine compounds and use thereof as fiber reactive dyes

A bisazo compound of the following formula: ##STR1## wherein R.sup.1 and R.sup.3 are each hydrogen or alkyl; D is phenylene or naphthylene; one of X.sup.1 and X.sup.2 is NH.sub.2 and the other is OH; Z.sup.1 and Z.sup.2 are each --CH.dbd.CH.sub.2 or --CH.dbd.CH.sub.2 Z' in which Z' is a splittable group; B is monosulfophenylene, monosulfophenylene-methylene or mono- or di-sulfonaphthylene-methylene; U is phenylene or an aliphatic bridging group; and J is an amono-derivative group or, J may be alkoxy when X.sup.1 is OH and U is phenylene, and J may be alkoxy or phenoxy when X.sup.1 is OH and U is the aliphatic bridging group. This compound is useful for dyeing or printing fiber materials and gives a dyed or printed product having a color superior in various fastness properties with superior build-up property.

Bisazo compounds and use thereof as fiber reactive dyes

A dye-containing polarizing film which comprises at least one dye selected from:

A monoazo compound suitable for dyeing or printing materials having a hydroxy group and/or amide group represented by the following general formula (I): ##STR1## wherein D represents a phenyl or naphthyl group; A represents a group represented by the following formula: ##STR2## or A represents a group represented by the following formula: ##STR3## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, n and Y have the meaning given in the specification; and salts thereof.

Monoazo compounds and method for dyeing or printing fiber materials

A trisazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein Q is an phenyl or naphthyl group both of which may be unsubstituted or substituted; one of the A and B is hydroxy group and the other is amino group; K is 1 or 2; and one of m and n is 1 and the other is 0; a method for dyeing fiber materials, paper or leather by using the trisazo compounds and an ink containing the trisazo compounds, and the trisazo compound is excellent in solubility, and good in storage stability and free from clogging of nozzle caused by deposition. The ink using the trisazo compound gives a deep black-colored image excellent in clarity, water-durability and durability to light.

Trisazo compounds imparting deep black color a method for dyeing by

A tetrakisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q.sub.1 and Q.sub.2 independently represent phenylene or naphthylene group which may be optionally substituted, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, a hydroxy group, a sulfonic acid group or an amino, alkyl, alkoxy, carbamoyl or sulfamoyl group which may be optionally substituted, m is 0 or 1 and n is 1 or 2, and an ink which comprises the tetrakisazo compound. The ink exhibit excellent properties for ink jet printing.

Tetraskisazo compound and ink containing the compound

A trisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q' is phenylene group, Q.sup.2 is phenyl or naphtyl group, one of the A and B is a hydroxy group and the other is an amino group, K is 1 or 2, one of m and n is 1 and the other is 0, X and Y independently of one another are each --OR.sup.1, --SR.sup.2, --NR.sup.3 R.sup.4 or ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are each a hydrogen atom, an alkyl, phenyl or naphthyl group; r is 1 or 2; and Z is --CH.sub.2 --, --O--, --SO.sub.2 -- or --NR.sup.5 -- wherein R.sup.5 is a hydrogen atom or C.sub.1 -C.sub.4 alkyl group;

Trisazo compound imparting black color, method for dyeing by using it

A dioxazine compound represented by the following formula in the free acid form, ##STR1## wherein V is a direct linkage or ##STR2## in which R.sub.3 is hydrogen or alkyl, X is a direct linkage or an aliphatic, araliphatic or aromatic bridging group, Y is phenylene or naphthylene, Z is a so-called vinylsulfone type fiber reactive group, and R.sub.1 and R.sub.2 are each hydrogen or alkyl, which is useful for dyeing or printing fiber materials to give a dyed or printed product of a blue color superior in fastness properties with superior build-up property.

Dioxazine blue dye compound having vinylsulfone type fiber reactive

The invention is directed to a novel disazo compound represented by the formula (I) ##STR1## wherein Q is a substituted or unsubstituted phenyl or naphthyl group; Me is copper, nickel, zinc or iron; and Z is hydrogen, lower alkyl, lower alkoxyl, sulfo, or substituted or unsubstituted amino; and also to a polarizing film having said disazo compound incorporated into a polarizing film base. The polarizing film exhibits high polarizing activities comparable to those of an iodine-containing polarizing film, and also has excellent durability.

Disazo dyes having aminobenzoylamino group

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Kobe, Japan

Takashi Omura