序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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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.
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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.
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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. |
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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.
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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. |
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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.
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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.
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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.
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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: |
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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 |