序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
201 Monoazo dyestuffs which are free from ionic groups, their preparation and their use US447540 1995-05-24 US5569751A 1996-10-29 Ulrich Buhler
The present invention relates to new useful azo dyestuffs which are free from ionic groups, of the general formula I ##STR1## wherein X.sup.1, X.sup.2, X.sup.3, Y, R, R.sup.1 and R.sup.2 have the meanings given in Claim 1, mixtures of dyestuffs of the general formula I, the preparation of dyestuffs of the general formula I and their use for dyeing and printing hydrophobic fibre materials.
202 Process for the preparation of halogenated aromatics US98689 1993-07-28 US5306849A 1994-04-26 Norbert Lui; Dietmar Bielefeldt; Albrecht Marhold
Halogenated aromatics are prepared by heating halogenoformic acid esters to 80.degree. to 280.degree. C. in the presence of hydrogen fluoride or a catalytic amount of one or more Lewis acids from the group comprising aluminium halides, iron halides and antimony halides, and in the liquid phase.
203 Disazo dyes containing at least one sulfo group and at least two basic or cationic groups US212826 1980-12-04 US4367172A 1983-01-04 Reinhard Pedrazzi
Compounds of the formula ##STR1## wherein F is the residue of a monoazo or disazo compound,each X is independently --NR.sub.2 --Q--NR.sub.3 R.sub.4 or --NR.sub.2 --Q--N.sup..sym. R.sub.5 R.sub.6 R.sub.7, whereinQ is linear or branched C.sub.2-6 alkylene,R.sub.2 is hydrogen or C.sub.1-4 alkyl,each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently hydrogen; C.sub.1-6 alkyl; C.sub.2-6 alkyl substituted by hydroxy or cyano; C.sub.1-3 alkyl substituted by phenyl or substituted phenyl having 1 to 3 substituents selected from chloro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; C.sub.5-6 cycloalkyl or C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups, with the proviso that neither R.sub.5 nor R.sub.6 can be hydrogen, orR.sub.3 and R.sub.4 or R.sub.5 and R.sub.6 taken together and with the nitrogen atom to which they are joined form a 5- or 6-membered ring containing at most one further hetero atom, andR.sub.7 is C.sub.1-4 alkyl or benzyl,each Z.sub.1 is independently --CO--, --SO.sub.2 -- or ##STR2## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl, andY is chloro, hydroxy, amino or an aliphatic or aromatic amino group,each Z.sub.2 is independently ##STR3## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl,m is 1 or 2,n is 0-4, andp is 0-3,with the proviso that n+2p.gtoreq.m+1, the Z's are carbonyl, sulfonyl or triazine bridging groups and (n+2p).gtoreq.m+1 so that there is an excess of basic or cationic groups, are useful as dyes for paper, leather and cellulosic fibres.
204 Monoazo dyes containing at least one sulfo group and at least two basic or cationic groups US212828 1980-12-04 US4363761A 1982-12-14 Reinhard Pedrazzi
Compounds of the formula ##STR1## wherein F is the residue of a monoazo or disazo compound, each X is independently --NR.sub.2 --Q--NR.sub.3 R.sub.4 or --NR.sub.2 --Q--N.sup..sym. R.sub.5 R.sub.6 R.sub.7,wherein Q is linear or branched C.sub.2-6 alkylene, R.sub.2 is hydrogen or C.sub.1-4 alkyl,each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently hydrogen; C.sub.1-6 alkyl; C.sub.2-6 alkyl substituted by hydroxy or cyano; C.sub.1-3 alkyl substituted by phenyl or substituted phenyl having 1 to 3 substituents selected from chloro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; C.sub.5-6 cycloalkyl or C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups, with the proviso that neither R.sub.5 and R.sub.6 can be hydrogen, orR.sub.3 and R.sub.4 or R.sub.5 and R.sub.6 taken together and with the nitrogen atom to which they are joined from a 5- or 6-membered ring containing at most one further hetero atom, andR.sub.7 is C.sub.1-4 alkyl or benzyl,each Z.sub.1 is independently --CO--, --SO.sub.2 -- or ##STR2## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl, and Y is chloro, hydroxy, amino or an aliphatic or aromatic amino group,each Z.sub.2 is independently ##STR3## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl, m is 1 or 2,n is 0-4, andp is 0-3,with the proviso that n+2p.gtoreq.m+1,are useful as dyes for paper, leather and cellulosic fibres.
205 Shifted photographic dyes and compositions, elements and processes employing them US949463 1978-10-10 US4234672A 1980-11-18 John A. Ford; Gregory J. Lestina
Shifted photographic dyes which have good storage stability, yet rapidly unblock under processing conditions contain a blocked hydroxy group and a neighboring group that anchimerically assists the hydrolytic cleavage of the blocking group under processing conditions.
206 Cationic azo dyestuffs with a hydroxyalkylated ammonium group US701420 1976-06-30 US4233214A 1980-11-11 Gunther Boehmke
Cationic azo dyestuffs of the formula ##STR1## wherein D denotes the radical of an azo dyestuff which is free of sulphonic acid groups,R denotes an alkylene radical,R.sub.1 denotes hydrogen or alkyl,R.sub.2 denotes alkyl, alkenyl or aralkyl,R.sub.3 denotes alkyl andR.sub.1 and R.sub.2, or R.sub.2 and R.sub.3, can together form the radical of a heterocyclic ring,R.sub.4 denotes hydroxyalkyl with 3 or more C atoms or arylhydroxyethyl andAn.sup.(-) denotes an anion,are used for dyeing and printing of polymers and copolymers of acrylonitrile, acid modified polyesters or polyamides, leather, tanned cotton, polyurethanes and lignin containing fibres and for coloring writing liquids.
207 Dyestuff compositions US324978 1973-01-19 US3989449A 1976-11-02 Leonard Fox Dixon; Bryan Ronald Hinchcliffe; Cyril Eric Vellins
A dyestuff composition comprising a dyestuff of the general formula (I): ##SPC1##in whichR and R.sup.1 are selected from the group consisting of identical and different hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals;And at least one further dyestuff having a synergistic effect on the dyeing properties of the dyestuff (I) said further dyestuff being selected from the group consisting of (I) but different from said first dyestuff and dyestuffs of general formula (II): ##SPC2##in whichR.sup.2 has the same meaning as R and R.sup.1.The dyestuff composition has utility in the dyeing of synthetic fibers, in particular polyester fibers.
208 Monoazo compounds US448305 1974-03-05 US3971740A 1976-07-27 Nalin Binduprasad Desai; Ponnusami Jayaraman; Visvanathan Ramanathan; Klaus Artz; Navnitrai Nagarji Naik; Walter Jenny
Azo dyestuffs containing at least one group of formula --X--CO--NR--SO.sub.2 aryl, wherein R is hydrogen alkyl or cycloalkyl and X is an oxygen or sulphur atom or a group of formula --NR.sub.1 --, wherein R.sub.1 is hydrogen alkyl or cycloalkyl. The dyestuffs dye polyester fibers in fast shades.
209 Exhaust process for the dyeing of synthetic fibre materials US41686773 1973-11-19 US3891388A 1975-06-24 NEEFF RUTGER
Exhaust process for the dyeing of synthetic fibre materials from organic water-immiscible solvents wherein are used as dyestuffs sulphonamide group containing disperse dyestuffs. There are obtained without originating waste waters dyeings with excellent fastness to washing, rubbing, light and sublimation.
210 Process for finishing fibrous materials with chlorites and polymerizable compounds US31946372 1972-12-29 US3885910A 1975-05-27 FISCHER KLAUS; DESCHLER OTTO
A process for bleaching and finishing fibrous materials with a mixture containing salts of chlorous acid, polymerizable olefinically unsaturated compounds, small amounts of water and addition products of alkylene oxides on organic compounds which carry 1 to 10 active hydrogen atoms.
211 Monoazo compounds US20841871 1971-12-15 US3853841A 1974-12-10 DESAI N; JAYARAMAN P; NAIK N; JENNY W; RAMANATHAN V; ARTZ K
An azo dyestuff of the formula:

WHEREIN R1'' and R2'' are each hydrogen, C1-C4-alkyl optionally interrupted by an oxygen atom and optionally substituted by phenyl, cyano, chlorine, bromine, fluorine, C1-C4-alkoxy, formylamino, formyloxy, C1-C5-alkylcarbonylamino, C1-C5alkylcarbonyloxy, benzoyloxy, benzoylamino, C1-C4alkylcarbamyloxy, phenylcarbamyl, C1-C4-alkyloxycarbonyloxy, phenoxycarbonyloxy, and phenoxy. Ring A may be optionally substituted with alkyl, alkoxy, aryl, aryloxy, arylthio, halogen, trifuloromethyl or acylamino groups. Of particular value are dyestuffs where ring A is not further substituted, X is NR, and one of R1'' and R2'' is cyanoethyl. The dyestuffs give fast dyeings of polyester textile material in shades of red and yellow.
212 Photoconductive toner composition US31451972 1972-12-13 US3852208A 1974-12-03 NAGASHIMA S; TSUCHIYA K
A light-transparent photoconductive material for use in electrophotography is the reaction product obtained by condensing A. AN ORGANIC PHOTOCONDUCTIVE COMPOUND CONTAINING AN AMINO AND/OR HYDROXYL GROUP AND B. A REACTIVE COLORED COMPOUND CONTAINING AN ACTIVE HALOGEN ATOM; OR BY CONDENSING A. AN ORGANIC PHOTOCONDUCTIVE COMPOUND CONTAINING AN ACTIVE HALOGEN ATOM AND B. A REACTIVE COLORED COMPOUND CONTAINING AN AMINO AND/OR HYDROXYL GROUP.
213 Pyrazole azo dyestuffs containing a sulfonylurea or sulfonylurethane substituent US20846471 1971-12-15 US3843625A 1974-10-22 DESAI N; ARTZ K; NAIK N; JAYARAMAN O; RAMANTHAN V; JENNY W
Pyrazole azo dyestuffs of the formula:

WHEREIN D is an optionally substituted phenyl group, X1 is -OH or -NH2, X is an oxygen atom or an optionally substituted, nitrogen atom R is hydrogen, alkyl, or aryl, R2 is aryl, and WHEREIN THE PRYAZOLE RING MAY BE OPTIONALLY SUBSTITUTED IN THE 3-POSITION. The dyestuffs of this invention are free of sulfonic acid groups and are sparingly soluble or insoluble in water. The dyestuffs are especially useful for dyeing and printing synthetic fibers particularly polyester fibers in fast yellow shades with excellent fastness to light, and to sublimation.
214 Preparing dimers of 4,4'-azodianiline US3702846D 1971-04-26 US3702846A 1972-11-14 BACH HARTWIG C
4,4''-AZODIANILINE IS SELECTIVELY DIMERIZED IN YIELDS OF AT LEAST 75% BY REACTING 4,4''-AZO-DIANILINE WITH MOLECULAR OXYGEN IN THE PRESENCE OF A CATALYTIC AMOUNT OF A CUPROUS OR CUPRIC SALT AND A NITROGEN BASE AS THE REACTION MEDIUM AT TEMPERATURES OF-10*C. TO 50*C.
215 Monoazo dyestuffs US3679657D 1969-03-11 US3679657A 1972-07-25 DESAI NALIN BINDUPRASAD; JAYARAMAN PONNUSAMI; RAMANATHAN VISVANATHAN; ARTZ KLAUS; NAIK NAVNITRAI NAGARJI; JENNY WALTER
DYESTUFFS CONTAINING AT LEAST ONE GROUP OF FORMULA -X-CO-NR-SO2, WHEREIN R IS A HYDROGEN ATOM OR AN OPTIONALLY SUBSTITUTED ALKYL, CYCLOALKYL, ARYL, OR HETEROCYCLIC GROUP, AND X IS AN OXYGEN OR SULPHUR ATOM OR A GROUP OF FORMULA -NR1-, WHERE R1 IS A HYDROGEN ATOM OR AN OPTIONALLY SUBSTITUTED ALKYL, CYCLOALKYL, ARYL OR HETEROCYCLIC GROUP.
216 Photoelectrophoretic imaging processes using bisazo pigments US3658675D 1970-03-19 US3658675A 1972-04-25 JONES FREEMAN B; LABANA SANTOKH S
Bisazo compounds are disclosed as are monochromatic and polychromatic electrophoretic imaging processes using these compounds. A typical member of this group is N,N''-bis 1-(1''naphthylazo)-2-hydroxy-8-naphthyl adipdiamide.
217 Dyeing human hair with benzothiazole azo compounds US3578386D 1968-02-16 US3578386A 1971-05-11 KALOPISSIS GREGOIRE; BUGAUT ANDREE
IN EACH OF THESE FORMULAE R, R1 AND R2 MAY BE LOWER ALKYL RADICALS, BUT IN SOME OF THE FORMULAE THEY MAY BE H OR ACYL RADICALS INSTEAD, AS SET FORTH IN DETAIL IN THE SPECIFICATION. PREFERABLY R1 AND R2 ARE COMBINED WITH AN ADJACENT N TO FORM A HETEROCYCLIC RADICAL FALLING WITHIN THE GROUP CONSISTING OF MORJPHOLINO, PIPERIDINO AND PYRROLIDINO RADICALS.

3-R3-BENZOTHIAZOL-3-IUM X(=)

2-(R1-N(+)(-R2)(-R3)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-),

BENZOTHIAZOL-3-IUM X(-)

2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-),3-R3-

BENZOTHIAZOLE

2-(R1-N(-R2)-(CH2)N-N(-R)-(1,4-PHENYLENE)-N=N-)-

THIS INVENTION RELATES TO METHODS OF DYEING AND DYES FOR KERATINIC FIBERS, ESPECIALLY HUMAN HAIR WITH BENZOTHIAZOLE COMPOUNDS CORRESPONDING TO ONE OF THE FOLLOWING FORMULAE:
218 Photographic material for the silver-dye-bleach process US3506450D 1966-06-13 US3506450A 1970-04-14 NICKEL HORST; SUCKFULL FRITZ; SEIDEL BERNHARD; BOCKLY ERICH
219 Dye composition US68685067 1967-11-30 US3479192A 1969-11-18 CLARKE RAY ALLEN; GRIFFIN DALE MILLER JR
220 Water-soluble mono and disazo dyestuffs containing n-(thiosulfato-alkanoylamino) groups US3435023D 1965-10-26 US3435023A 1969-03-25 MEININGER FRITZ; HILLE ERNST
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