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| Number | Title | Issue Date |
| 7781571 | Ophthalmic lens materials containing chromophores that absorb both UV and short wavelength visible light Chromophores that absorb both UV and short wavelength visible light are disclosed. The chromophores are particularly suitable for use in intraocular lens materials. ... | 08/24/2010 |
| 7300703 | Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronic devices The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins a... | 11/27/2007 |
| 7101627 | Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronics devices The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins a... | 09/05/2006 |
| 6960667 | Fluorescent maleimides and uses thereof The present invention is directed to maleimides and preparation of compounds of the formula I wherein R1 and R2 independently from each other stand for | 11/01/2005 |
| 6451988 | Naphthol derivatives Novel naphthol derivatives, and various azo compounds and metal complexes prepared by using the derivatives are provided. The instant invention provides naphthol derivatives represented by general formula (1); ##STR1## wherein at least one of Y1 | 09/17/2002 |
| 6444020 | TETRAALKYL-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 |
| 6409812 | AZO compounds and process for producing the same A diamide type azo compound represented by the general formula (I): ##STR1## which is derived from 2-hydroxy-3,6-dicarboxylic acid and at least one of the amide moieties in the compound is an aliphatic amide moiety, various use of the same and process for... | 06/25/2002 |
| 6313275 | Azoic compounds functionalized with heterocycles Azo compounds of the formula (I) ##STR1## are functionalized with heterocycles.... | 11/06/2001 |
| 5719270 | Azophenyl compounds Azophenyl compounds of the formula: ##STR1## wherein R1 is an o-, p-directing substituent; R2 is a substituted or unsubstituted ଲ-hydroxyalkyl group; R3 is an aromatic carbocyclic or heterocyclic group which is ... | 02/17/1998 |
| 5674986 | Photographically useful compounds including at least one 1,3-sulfur-oxygen ring system There are described heat-developable photosensitive image-recording materials which include a compound having at least one cyclic 1,3-sulfur-oxygen moiety. The compound is stable in the photographic processing composition but capable of undergoing cleavag... | 10/07/1997 |
| 5631352 | Azodyes containing a bridge member based on diamino-substituted triazines Dye mixtures which comprise at least one anionic acid dye of the formula ##STR1## together with at least one anionic acid dye of the formula ##STR2## in which the substituents are as defined in claim 1, and the novel dyes of the formulae (1) and... | 05/20/1997 |
| 5571898 | Basic dyes based on amides of j-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of j-acid There are described dyes of the formula ##STR1## where the ring A may be benzofused, R1 is substituted or unsubstituted C1 -C13 -alkyl, substituted or unsubstituted phenyl, C1 -C8 -alkanoyl, subs... | 11/05/1996 |
| 5512664 | Monoazo 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 |
| 5453495 | Disazo compounds containing an optionally substituted piperazinyl group A compound of Formula (1) and salts thereof: ##STR1## wherein: L is optionally substituted piperazinyl; D is optionally substituted phenylene or naphthylene; E is optionally substituted phenylene, naphthylene or quinoline; R is H or C1-4 -alkyl; Z i... | 09/26/1995 |
| 5399673 | Compounds containing alkenyl, maleimide and mesogenic groups Compounds containing at least one alkenyl group, at least one maleimide group and at least one rodlike mesogenic moiety are prepared by reacting one or more aminophenols containing one or more rodlike mesogenic moieties with a stoichiometric quantity of a... | 03/21/1995 |
| 5296598 | Derivatives of 2,4-diamino-1,3,5-triazinyl-6-phosphonic acid Derivatives of triazinylphosphonic acid having the general formula (I): ##STR1## obtained by means of the reaction of condensation of a cyanuric halide w an ester of phosphorous acid and subsequent reaction of substitution with a polyamine and an am... | 03/22/1994 |
| 5278293 | Azo dyestuffs and intermediate products for their preparation Azo dyestuffs of the formula ##STR1## having the substituent meanings given in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups and amide groups.... | 01/11/1994 |
| 5028701 | Monazo compounds containing a 1-phenyl-2-pyrazoline coupling component Disperse dyestuffs of the formula ##STR1## in which A/B denotes H, alkyl, C1 or O-alkyl, R1, R2, R3 denote H or alkyl, R4 denotes alkyl, aryl or COO-alkyl, R5 denotes alkyl or aryl, Y denotes H or CN, X de... | 07/02/1991 |
| 5006128 | Substituted 2,4-di[4'-(disulfonaphth-2"-ylazo)phenylamino]-6-amino-1,3,5-triazines Compounds of the formula ##STR1## and salts thereof, wherein R1 is hydrogen or methyl, R2 is hydrogen, methyl or acetamido, R3 is hydrogen, methyl or methoxy, R4 is hydrogen, C1-4 alkyl or hydroxy(C2-... | 04/09/1991 |
| 4923974 | 2,6-dicyano-4'-morpholinoazobenzene compounds useful for dyeing hydrophobic materials A monoazo compound of the following formula, ##STR1## wherein X is a hydrogen or halogen atom, or a C1-4 alkyl, C1-4 alkoxy, C1-4 alkylsulfonyl, C1-4 alkylcarbonyl, C1-4 alkoxycarbonyl, nitro, cy... | 05/08/1990 |
| 4917981 | Photosensitive member for electrophotography A photosensitive member for electrophotography which comprises a photosensitive layer containing at least one member of the group consisting of thiophene structure-containing azo compounds having one of the general formulae (I) to (X): ##STR1## ... | 04/17/1990 |
| 4902787 | Method 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 |
| 4703110 | Benzoic acid derivatives having a para substituent which is a substituted phenyl group connected by a linking radical; useful in neoplastic cell differentiation and diagnosis The application discloses certain benzoic acid compounds, the same being more adequately described as benzoic acid derivatives having a para substituent which is a substituted phenyl radical attached to the benzoic acid in the para position by any one of ... | 10/27/1987 |
| 4667019 | Azo dyes containing a triazolyl group for use in liquid crystalline materials Compounds of the general formula I ##STR1## where n is 0, 1 or 2, R1 and R2 are each hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aralkyl, aryl, acyl, alkoxycarbonyl or aryloxycarbonyl, or together form alkylene or ... | 05/19/1987 |
| 4596867 | Disubstituted maleic anhydride compounds Di-substituted maleic anhydride compounds are disclosed of the structural formula ##STR1## wherein R and R1 are selected from the group consisting of aliphatic and phenyl moieties, and R2 is a divalent aromatic moiety. Poly... | 06/24/1986 |
| 4537597 | Navy blue mixtures of disperse mono-azo dyes for cellulose acetate Mixtures of dyes of the formula I ##STR1## where X is chlorine or bromine, Z is hydrogen, methyl, ethyl, C1 -C4 -alkoxy or acetylamino, R is C1 -C4 -alkyl, R1 and R2 independently of o... | 08/27/1985 |
| 4477368 | Color display liquid crystal composition A color display liquid crystal composition comprising a nematic liquid crystal having positive dielectric anisotropy, an optically active substance and a dichroic dye mixture consisting of a dichroic reddish purple diazo dye (1,4-naphthylene derivative) a... | 10/16/1984 |
| 4424156 | Halo-substituted amino-and substituted-sulphonamido-containing azo dyestuffs An azo dyestuff suited for dyeing polyester, of the formula ##STR1## in which Hal is F, Cl, Br or I, R1 is a C1 -C10 -aliphatic hydrocarbyl or a C5 -C8 -cycloalkyl radical optionally substituted by OH... | 01/03/1984 |
| 4424155 | Aminoazo compounds Aminoazo compounds of the general formula ##STR1## where A is the radical of a diazo component or coupling component, R is a radical of the formula CN, COOR1, COSR1, CONH2, CONHNH2, CONH-NH-COR1, ... | 01/03/1984 |
| 4368249 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable, pyridylazo(dialkylamino)phenol magenta dye moiety or precursor thereof, having the formula: ##STR1## ... | 01/11/1983 |
| 4367174 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable, pyridylazo(dialkylamino)phenol magenta dye moiety or precursor thereof, having the formula: ##STR1## ... | 01/04/1983 |
| 4348319 | Process for the preparation of cyano-azo dyestuffs The invention relates to a process for the preparation of azo dyestuffs containing a cyano group in the ortho-position relative to the azo bridge, by reacting corresponding orthohalogeno-azo dyestuffs with metal cyanides in an aqueous medium in the presen... | 09/07/1982 |
| 4313872 | Azo coupling in two-phase water-alcohol mixtures Azo dyes are very simply made in high purity and very good yield by coupling a diazonium compound with a coupling compound in a mixture essentially of water with a simple alkanol having four to six carbons and soluble in water to the extent of not over ab... | 02/02/1982 |
| 4269770 | Process for the preparation of cyanoazo dyestuffs Ortho-cyanoazo dyestuffs are obtained in good yields and high purity by conversion of appropriate ortho-halogenoazo dyestuffs with complex metal cyanides of the formula wherein Me=alkali metal p=1-3 in pure water, i.e. without adding organic solvents and/or ca... | 05/26/1981 |
| 4229343 | Azo dyes from an oxadiazolyl-substituted aniline Compounds of the formula ##STR1## in which K is ##STR2## Ar1 is phenyl; phenyl substituted by chlorine, methoxy, ethoxy, methyl, acetylamino or benzoylamino; or ##STR3## Ar2 is phenyl; or phenyl substituted by chl... | 10/21/1980 |
| 4229345 | (2-Chloro-4-cyanophenyl) (4-dialkylaminophenyl)-diazine dye useful for transfer printing Dyes useful for transfer printing and having the formula ##STR1## in which X and Y are hydrogen or halogen, Z is hydrogen or methyl, R1 is hydrogen, lower alkyl or alkoxy, R2 is hydrogen, chlorine, lower alkyl, alkoxy, alkanoylamino or ... | 10/21/1980 |
| 4221709 | Azo 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 |
| 4218370 | Azo monomer useful in polymerization systems An unsymmetrical azo monomer contains t-alkyl, t-cycloalkyl, or t-aralkyl moiety and one polymerizable double bond. This compound is useful in polymerization and crosslinking systems.... | 08/19/1980 |
| 4203894 | Azo dyes containing sulfonic acid groups and oxdiazolyl radicals Compounds which in the form of the free acids have the formula I ##STR1## where K is the radical of a coupling component, n is 1, 2 or 3, R1 is hydrogen, chlorine, bromine or hydroxysulfonyl, R2 is hydrogen, chlorine, bromine, n... | 05/20/1980 |
| 4201707 | Methine dyestuffs containing a phenyl azo group Dyestuffs of the formula ##STR1## wherein R1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, alkylsulphonyl, arylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbon... | 05/06/1980 |
