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7150782 Magenta metal complex azo compounds and inks and their use in ink-jet printing  
A metal chelate compound obtainable from contacting a transition metal salt with a compound of the Formula (1): wherein: x represents plural atoms required to form at least one...
7147697 Magenta metal complex azo compounds and inks and their use in ink-jet printing  
A metal chelate compound obtainable from contacting a transition metal salt with a compound of the Formula (1) or a salt thereof: wherein p is 1 to 2. Also compositions, inks, printed...
6827770 Metal chelated dyestuff for inkjet recording, aqueous inkjet recording liquid comprising same and inkjet recording method using same  
A metal chelated dyestuff for inkjet recording comprising a water soluble azo metal chelated compound formed by an azo-based compound represented by the following general formula (1) having one or...
6667392 Polymeric acetoacetanilide azo colorants  
This invention relates to colorants comprising a chromophore having a single azo acetoacetanilide moiety, wherein said moiety each have at least one poly(oxyalkylene) chain. Such colorants exhibit...
6551364 Dye mixtures, 1:2 cobalt complex formazan dyes and their use  
Dye mixtures which comprise at least one 1:2 cobalt complex dye of the formazan compound of the formula in which X is substituted or unsubstituted C 1 -C 8 alkyl, phenyl, naphthyl, furyl or...
6448384 Bisazo compound and electrophotographic photoconductor using the same  
An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon which contains at least one bisazo compound of formula (I): wherein Cp 1 and...
6417178 Amyloid binding nitrogen-linked compounds for the antemortem diagnosis of alzheimer's disease, in vivo imaging and prevention of amyloid deposits  
Amyloid binding compounds which are derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other...
6140477 Near-infrared ray absorbing polyazo compound  
A polyazo compound capable of effectively absorbing near-infrared rays, which can be produced from readily available raw materials is provided, which comprises at least one --OH group or at least...
5770393 Biological indicator for detection of early metabolic activity  
A bacteria impermeable container or ampule (10) contains a liquid growth medium and a substrate-indicator complex. The complex includes a substrate component, e.g., starch, and an indicator...
5623062 Bisazo compounds as charge generating materials  
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising a bisazo pigment having the formula (I)...
5569749 Organic photoconductive material and a photosensitive material for electronic photography using it  
An organic photoconductive material is represented by the following general formula [1]: A 1 --NN--B--NN--A 2 [1], wherein B is a divalent organic group bonded to...
5326865 Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent  
Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent, a guest-host composition...
5312906 Optical information recording media and bisazo compounds for use therein  
Bisazo compounds of formula (I), an intermediate for producing the bisazo compound of formula (I), and trisazo compounds of formula (II) for use in optical information recording media, and methods...
5274084 Bisazo compounds which contain a diphenoquinone tetraazo component and an electrophotographic photosensitive member having a photosensitive layer comprising the bisazo compound  
An azo compound represented by the following general formula IA and an electrophotographic photosensitive member comprising a photosensitive layer containing the azo compound: ##STR1## wherein R 1 ...
5262526 Fluorescent compound, complex, reagent, and specific binding assay employing said reagent  
A fluorescent compound, which is readily capable of forming a stable complex with a rare-earth metal ion having fluorescence with satisfactory intensity even in an aqueous system and long...
5252106 Base extractable petroleum markers  
Liquid petroleum products are marked with markers having the formula: ##STR1## where the Ws are selected from O--(C 1 -C 3 alkyl) and hydrogen, provided that at least one W is O--(C 1 -C 3 ...
5186865 Electro-optical materials and light modulator devices containing same  
Azo-type optically active compounds and polymers are provided based on compounds of the general structure [substituted aryl]--NN--[substituted aryl] wherein aryl substituents are introduced...
5168026 Bis-azo compound and electrophotographic photosensitive member with a light receiving layer containing said bis-azo compound  
A bis-azo compound represented by the following general formula and an electrophotographic photosensitive member having a light receiving layer containing said bis-azo compound. ##STR1## [wherein,...
5106712 Electrophotographic photoreceptor containing bisazo compound  
A novel electrophotographic photoreceptor is provided comprising on an electrically conductive support a layer containing a charge carrier-transporting compound and a charge carrier-generating...
5037968 Adducts of an anion of an oxa acid and a keto compound, process for the preparation of said adducts, and process for the determination of the concentration of the anions of oxa acids using said keto compounds  
Keto compounds in which to the carbon atom in the neighboring position to the keto compounds there is bonded at least one strongly electron attracting substituent and/or in which there is...
5023324 Biscationic disazo and trisazo compounds having optionally further substituted 6-hydroxy-4-methy-3-N-pyridiniumpyridone-2 coupling component radicals, dyes compositions comprising them and their use  
Disazo and trisazo compounds free of sulfo groups which contain 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, the preferred compounds being of the formula ##STR1##...
4988593 Azo compound containing electrophotographic photosensitive member  
An electrophotographic photosensitive member having a photosensitive layer is formed on a support and contains an azo pigment expressed by a general formula [I] or [II]: ##STR1## where A, B 1 and...
4977051 Trisazo electrophotographic photoreceptor  
An electrophotographic photoreceptor is disclosed, which comprises an electrically conductive support having thereon a layer which contains a charge carrier transporting compound and a charge...
4863910 Complexes of AZO compounds and/or their salts and an antitumor agent and a method for reducing the growth of tumors  
A complex of an azo compound of the formula ##STR1## wherein R and R' are selected from the group consisting of hydrogen, --COCR 4 3 , --COCHR 2 4 , --CO 2 C 2 H 5 , --CH 2 CH 2 R 4 , --(CH 2 ...
4692393 Photoreceptor having a photosensitive layer containing an azo compound  
A photoreceptor comprising a support and thereon a photosensitive layer containing an azo compound.
4622280 Disazo compound, and photoconductive composition and electrophotographic photoreceptor containing the same  
Disazo compounds represented by the following general formula (I) are disclosed. The compounds can function as effective photoconductive substances and further, as efficient charge carrier (both...
4619994 Benzeneazo polynuclear aromatic or heteroaromatic amidine compounds containing amidine substituents  
A compound, useful as an anti-cancer drug or agent, having the formula R 1 --X--R 2 where X represents a polynuclear aromatic or heteroaromatic hydrocarbon having between two and four fused...
4579800 Azo photoreceptor  
A photoreceptor comprising a support and a photosensitive layer which contains an azo compound of the formula [I]: ##STR1## wherein Q is a halogen atom, a hydrogen atom, an alkyl group, an alkoxy...
4540651 Electrophotographic photosensitive member  
There is disclosed an electrophotographic photosensitive member comprising a photosensitive layer comprising a combination of a carrier generating layer and a carrier transporting layer provided on...
4537847 Disazo photoreceptors for electrophotography  
Photoreceptor for electrophotography comprising a conductive support and an overlaying photosensitive layer thereon, said photosensitive layer containing at least one azo compound of Formula I or...
4535044 Photosensitive material for electrophotography containing photosensitive layer incorporating pentakisazo pigment  
Disclosed is a photosensitive material for electrophotography containing a pentakisazo pigment of the following formula: ##STR1## wherein the rings A 1 and A 2 may have halogen atoms, alkyl...
4515881 Electrophotographic bisazo photosensitive member  
An electrophotographic photosensitive member, comprising an electroconductive support and, provided thereon, a photosensitive layer containing a bisazo compound represented by the formula [I]:...
4433039 Trisazo electrophotographic photosensitive material  
Disclosed is an electrophotographic photosensitive material comprising a photosensitive layer containing a tris-azo pigment represented by the following formula: ##STR1## wherein the ring A 1 and...
4401369 Class of dichroic dyes for use with liquid crystals  
A cholesteric guest-host liquid crystal composition having a positive dielectric anisotropy and consisting of a positive nematic host component, an optically active cholesteric component, and a...
4359515 Disazo electrophotographic light-sensitive media  
An electrophotographic light-sensitive medium comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1) ##STR1## wherein A represents a single chemical bond, a...
4359513 Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group  
An electrophotographic light-sensitive medium is described comprising a light-sensitive layer containing a dis-azo compound represented by Formula (1) ##STR1## wherein A represents a coupler having...
4349616 Disazo pigment containing electrophotographic element  
An electrophotographic element comprising an electrically conductive substrate and a monolayer or multilayer type photo-sensitive layer, superposed thereon, containing as an effective ingredient a...
4293492 Disazo compounds derived from 3,6-bis(styryl)-9-ethylcarbazole  
The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a...
4251614 Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials  
The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a...
4101522 Azo compounds containing acylating function and azo containing polymers  
A. A novel class of azo compounds R-NN-R 1 where R and/or R 1 are groups containing an acylating function, e.g., acyl chloride, chloroformate or anhydride. Example:...
RE29640 Certain substituted 2,6-diamino-4-methyl-nicotinitriles the corresponding nicotinamides and derivatives thereof  
2,3,6- AND PREFERABLY ALSO 4-SUBSTITUTED PYRIDINE DERIVATIVES BEARING THE RADICAL OF AMMONIA OR A PRIMARY AMINE IN THE 2- AND 6-POSITIONS. The compounds are eminently suitable as coupling...
4075199 Tertiary aliphatic alpha-peroxyazo compounds  
Tertiary-aliphatic alpha-peroxyazo compounds represented by the structure ##STR1## processes for preparing these compounds by reacting ##STR2## with salts or salt solutions of HOOH ...
4035350 Process for the preparation of water-soluble azo dyestuffs by reacting an aromatic amine and a coupling component with alkali metal nitrite or alkyl nitrite in the absence of acid  
A new and very advantageous Process had been found for the preparation of azo dyestuffs by diazotation and coupling in which the synthesis is carried out without the hitherto usual addition of an...
3971739 Tri or tetradentate metal azo pigment complexes  
A tri- or tetradentate metal complex having the formula ##SPC1## Wherein A is an aryl or heterocyclic residue, B is an aliphatic, aryl or heterocyclic residue, R is an alkyl, cycloalkyl, aryl,...
3937761 Symmetrical bis(unsymmetrical tertiary-alkyl and tertiary- aralkyl azo) compounds  
Novel symmetrical bis(unsymmetrical t-alkyl and t-aralykl azo) compounds of the general formula I: R -- N = N -- R 12 -- N = N -- R' (I) wherein R = R' = (R") 3 C--, e.g.,...
3917744 Tertiary-aliphatic α-(peracyl)azo compounds as initiators for the polymerization of unsaturated polyesters and vinyl monomers  
New tertiary-aliphatic alpha-(peracyl)azo compounds represented by the formula ##EQU1## PROCESSES FOR PREPARING I where R is ##EQU2## and n is 1 or ##EQU3## and n is 2 by reacting a t-aliphatic...
3853895 CERTAIN SUBSTITUTED 2,6-DIAMINO-4-METHYL-NICOTINONITRILES THE CORRESPONDING NICOTINAMIDES AND DERIVATIVES THEREOF  
2,3,6- AND PREFERABLY ALSO 4-SUBSTITUTED PYRIDINE DERIVATIVES BEARING THE RADICAL OF AMMONIA OR A PRIMARY AMINE IN THE 2- AND 6-POSITIONS. The compounds are eminently suitable as coupling...
3627699 LIQUID CRYSTAL CHOLESTERIC MATERIAL AND SENSITIZING AGENT COMPOSITION AND METHOD FOR DETECTING ELECTROMAGNETIC RADIATION  
Electromagnetic radiation in the frequency range of 10 12 .5 to 10 17 cycles per second is detected, using a cholesteric liquid-crystal material to which there has been added, in the case of...
3483181 THIAZOLEAZO HYDROXY-ACENAPHTHENE DYESTUFFS  
3482970 ELECTROPHOTOGRAPHIC PLATE AND PROCESS USING NAPHTHYLAZO COMPOUNDS AS THE PRIMARY PHOTOCONDUCTOR  
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