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Class 534/800 - The hetero ring is one of the cyclos in a polycyclo ring system


Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which the hetero ring is one of the cyclos
No. of patents: 34
Last issue date: 03/28/2006


NumberTitleIssue Date
7018429Process for coloring a textile substrate
The present invention relates to methods of imparting color and ultraviolet protection to synthetic yarns or substrates. More specifically, the present invention is directed to a method of solution dyeing a polymeric material during polymerization to form a base col...
03/28/2006
6444020TETRAALKYL-SUBSTITUTED NITROGEN-CONTAINING HETERO RING-BONDED AZO DYE, INK-JET INK COMPRISING SAID DYE, INK-JET RECORDING METHOD USING SAID INK, AND THERMAL TRANSFER RECORDING MATERIAL COMPRISING SAID DYE
Disclosed are an azo dye having the following formula (1), an ink-jet ink comprising the aforesaid azo dye, an ink-jet recording method using the aforesaid ink-jet ink, and a thermal transfer recording material comprising the aforesaid azo dye: ##STR...
09/03/2002
5747656Indicators for determining the proton concentration of strongly alkaline aqueous solutions
The invention relates to indicators for determine the proton concentration of strongly alkaline aqueous solutions which contain compounds of the formula (I) ##STR1## in which ##STR2##...
05/05/1998
5512664Monoazo dye for thermal transfer printing
A new sublimable magenta monoazo dye for thermal transfer printing has a closed ring imido group in an aromatic azo compound, as the following formula: ##STR1## The magenta monoazo dye achieves substantial improvements in stability, hue, gray an...
04/30/1996
5321084Benzimidazole-derivatized azo compounds and polymers derived therefrom for nonlinear optics
A second order nonlinear optically-active azo monomer comprising a benzimidazole moiety. The monomers can be incorporated into both linear and crosslinked polymers useful in electrooptical devices....
06/14/1994
5030734Solid solutions of azomethine pigments
Solid solutions consisting of at least two different compounds of the formula I ##STR1## in which A is one of the groups ##STR2## in which R and R1 independently of one another are hydrogen, halogen, C1 -C4 ...
07/09/1991
4975118Recording fluid containing phenyl azo naphthalene dyes for the ink jet process
A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where m is 0 or 1, D1 and D2 are each independently of the other the radical of a diazocomponent of the anilin...
12/04/1990
4902787Method for producing lightfast disperse dyestuffs containing a build-in photostabilizer [molecule] compound
A method of producing a UV lightfast disperse dyestuff comprising selecting a disperse dyestuff having predetermined chromophoric groups, selecting a photostabilizer compound, designing a hybrid disperse dye molecular structure which contains the chromoph...
02/20/1990
4734218Dichroic azo dyestuffs and liquid crystal composition containing said dyestuffs
Provided are novel dichroic azo dyestuffs, which contain skeletons represented by the following general formula: ##STR1## at one terminals of the long axes of the molecules of the azo dyestuffs, and liquid crystal compositions containing the dichroic...
03/29/1988
4707548Bisisoindoline pigments
Novel bisisoindoline pigments of the formula (I) ##STR1## where the radicals A are identical or different radicals of a methylene-active compound, X is a divalent radical and the rings L are each unsubstituted or substituted, possess good fastness pr...
11/17/1987
4556707Triazole-group-containing disazo reactive dyestuff
The invention provides reactive dyestuffs of the formula ##STR1## wherein X is a fibre-reactive group of the triazine or pyrimidine series; R3 and R4 are each hydrogen; n is 0 or 1; and k is a pyridone or pyrimidone coupling com...
12/03/1985
4533612Electrophotographic recording materials containing special charge carrier-transporting compounds
Electrophotographic recording materials which comprise an electrically conductive base, charge carrier-producing compounds (sensitizers), and charge carrier-transporting compounds, possess high photoconductivity and low conductivity in the dark, and conta...
08/06/1985
4491481Organic pigment compositions containing an azo compound with a heterocyclic substituent
A pigment composition comprising (a) an organic pigment and (b) from 0.5% to 20% by weight, based on the weight of organic pigment, of a pigment derivative having the formula: wherein n is 1 or 2, A is an aryl or heterocyclic residue, B is an aryl or heterocyc...
01/01/1985
4486347Flame retarding antimicrobial halogenated azo dyestuffs
The halogenated azo dyestuffs of the present invention possess fire-proofing and antimicrobial properties and have the following general formula: ##STR1##...
12/04/1984
4451398Dyes containing imidazolymethylene groups
Dyes of the formula ##STR1## where R1 is hydrogen, C1 -C6 -alkyl or C2 -C6 -alkenyl, R2 and R3 independently of one another are hydrogen, C1 -C5 -alkyl...
05/29/1984
4229344Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical
The instant invention relates to monoazo pigments containing a hydroxynaphthoylaminobenzimidazolone radical of the following formula ##STR1## These pigments are useful for coloring high molecular weight materials in orange to brown shades of especial...
10/21/1980
4221709Azo pigments
Azo pigments having the formula ##STR1## wherein X represents hydrogen or halogen atom; n represents an integer of 1 to 4; R1 represents a substituted or unsubstituted aromatic group; R2 represents a moiety of a coupling compone...
09/09/1980
4149851Concentrated aqueous dye compositions containing a low molecular weight amide
Concentrated, liquid preparations of metal-free direct azo dyes, which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the st...
04/17/1979
4143034Polyaminomethylated monoazo and disazo colorants
Novel mixtures, which consist essentially of a monoazo compound selected from the group of 1-phenylazo-2-hydroxynaphthalenes or of a disazo compound selected from the group of various bis-phenyl and bridged bis-phenyl diamines diazotized and coupled to &#...
03/06/1979
4139383Dye diffusion transfer employing pyridine azo dye
Non-diffusible dye-providing compounds for the dye diffusion transfer process yielding yellow to red color images of wanted absorption characteristics and improved light fastness correspond to the formula in which A1 represents an oxidizable organic...
02/13/1979
4116953Azo dyes
Compounds of the formula ##STR1## in which K is the radical of a coupling component; X is hydrogen, chloro, bromo, methyl or nitro; and Y is hydrogen, chloro, bromo or methyl. The compounds are eminently suitable as pigments for coloring printing inks, su...
09/26/1978
4089849Monoazo dyes having a benzthiazolyl substituted phenol or naphthol coupling component
Azo compounds containing a benzthiazolyl group and corresponding to the formula: ##STR1## are provided where A represents a radical derived from a diazotizable aromatic hydrocarbon; D is derived from an optionally substituted salicyaldehyde or o...
05/16/1978
4052371Azo pigment or dye having a naphthyl-quinazalone coupling component
Dyes of the formula: ##STR1## in which D is the radical of a diazo component; R1 is hydrogen, chloro, bromo, methoxy or ethoxy; R2 and R3 independently of one another are hydrogen, chloro, bromo, methyl, ethyl, trifluorome...
10/04/1977
4045426Bisazo free radical initiators containing ultraviolet light stabilizing groups
Compounds which contain azo or peroxide linkages as well as the radical of an ultraviolet light stabilizing group are described. These compounds function as polymerization initiators which cause an ultraviolet light stabilization group to be chemically bo...
08/30/1977
4045427Azo-peroxide free radical initiators containing ultraviolet light stabilizing groups
Compounds which contain azo or peroxide linkages as well as the radical of an ultraviolet light stabilizing group are described. These compounds function as polymerization initiators which cause an ultraviolet light stabilization group to be chemically bo...
08/30/1977
4042591Naphthoquinone compounds
Disclosed are compounds of formula I ##STR1## WHERE R1 is a fused benzene or naphthalene nucleus, m is one or two and R2 and R3 have various significances, their production and use as pigments and disperse dyes....
08/16/1977
4023924Concentrated aqueous dye compositions containing a low molecular weight amide and their use for dyeing paper
Concentrated, liquid preparations of metal-free direct azo dyes which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the sto...
05/17/1977
4016151Phenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone series
Azo dyes having a phenyl-substituted phthalazone as the diazo component and a coupling component containing a hydroxy group or an enolizable keto group, said coupling component being selected from the phenol, naphthol, acetoacetarylide, pyrazalone, quinol...
04/05/1977
4010150Red copper complexes of disazo compounds containing triazine groups
Lightfast and waterfast azo dyes suitable for dyeing fibers and paper, particularly cellulosic materials, and having the following formula: ##STR1## wherein A is a group selected from 4-methoxy-2-sulfophenyl, 4-methoxy-3-sulfophenyl, 2- or 3-sulphony...
03/01/1977
3956269Azo free radical initiators containing ultraviolet light stabilizing groups
Compounds which contain azo linkages as well as the radical of an ultraviolet light stabilizing group are described. These compounds function as polymerization initiators which cause an ultraviolet light stabilization group to be chemically bound to the p...
05/11/1976
3953420Azo pigments derived from 2-hydroxy-3-carboxynaphthalene containing a substituted or unsubstituted phthalimide
Azo pigments derived from 2-hydroxy-3-carboxy-naphthalene and containing a substituted or unsubstituted phthalimide radical. The majority give red colorations and due to their excellent fastness properties are particularly valuable for use in surface coat...
04/27/1976
3943120Succinimido azo dyestuffs
The invention relates to water-insoluble azo dyestuffs of the formula ##SPC1## In which A represents the residue of a diazo component of the azobenzene series, R1 a hydrogen atom or an alkyl group which may be substituted which may be substitut...
03/09/1976
3933787Substituted 4-(2-benzothiazolyl)phenylazo dyes having a quaternary ammonium, hydrazinium or optionally substituted amino substituent
Azo dyes of the formula ##SPC1## Where X stands for the radical of a coupling component of the aminobenzene, hydroxybenzene, aminonaphthalene, hydroxynaphthalene or heterocyclic series or one with a coupling methylene group, An - for...
01/20/1976
3932414Acridone compounds
Disclosed are pigments of formula I ##SPC1## in which The R1 's, independently, each signify hydrogen, halogen, nitro, cyano, methyl, alkoxy, aminocarbonyl, alkylcarbonylamino, benzoylamino, phenylaminocarbonyl, alkylamino or phenylamino, The R...
01/13/1976
 
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