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Class 534/815 - Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal)


Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein -OH is bonded directly to a bicyclo ring
No. of patents: 50
Last issue date: 06/14/2011


1    
NumberTitleIssue Date
7960521Azo dyes, compositions for anisotropic dye films using them, anisotropic dye films and polarizing elements
To provide a dye capable of forming an anisotropic dye film showing high dichroism and having a high degree of molecular orientation, a composition containing the dye, an anisotropic dye film using the dye and a polarizing element. A trisazo dye, of which the...
06/14/2011
7326288Trisazo compound, ink composition, and colored object
[PROBLEMS] To provide: a black compound which is for use in ink-jet recording or writing utensils, is excellent in ozone resistance, light resistance, moisture resistance, and color rendering, and gives a recording fluid having satisfactory storage stability; and an...
02/05/2008
7153351Inks for ink jet printing comprising a tris-azo dye
Inks comprising a liquid medium and a tris-azo compound of Formula (1) or salt thereof: wherein the liquid medium comprises water and an organic solvent. ...
12/26/2006
7056376Printing process using specified AZO compounds
A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1): T-Q-N═N-L-T  Formula (1) wherein: each T independently is ...
06/06/2006
6632932Trisazo compound
The objective of the present invention is to provide a high-purity trisazo compound with excellent light resistance that is useful as a coloring matter for a black aqueous ink for ink jet recording and the like. Thus, the present invention provides a tris...
10/14/2003
6451989Black azo dyes
Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fast...
09/17/2002
6288217Black azo dyes
Provided are novel black azo dyes which are useful in ink compositions, especially ink jet ink compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fast...
09/11/2001
6140477Near-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 one group derived from --OH group at p-position of the azo ...
10/31/2000
5739296Method and materials for thermostable and lightfast dichroic light polarizers
Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the liquid crystal molecules are oriented in a predetermined dir...
04/14/1998
5616174Ink composition and ink jet recording method using the same
An ink composition is provided which enables high-quality recording on plain paper and can record an image having excellent water resistance. The ink composition comprises a dye represented by the following formula (I): ##STR1## wherein M represents ...
04/01/1997
5494507Dye having hydrophobic substituent and aqueous ink
A dye having a representative formula as follows and an ink providing waterfast printing having the dye, in which a surfactant is not essential: ##STR1##...
02/27/1996
5488101Trisazo compounds, method for dyeing fiber materials, paper or leather using the same and inks containing the same
Herein is provided a trisazo compound represented by formula (I) in the free acid form: ##STR1## wherein Q1 is an unsubstituted or substituted phenylene or naphthylene group, Q2 is an unsubstituted or substituted phenyl or ...
01/30/1996
5486601Trisazo dye, and aqueous ink composition containing the same
Disclosed is a trisazo dye represented by the formula: ##STR1## wherein R1 and R2 independently represent a substituted amino group which is substituted with hydrogen, a hydroxyl group, a carboxyl group, an amino group, an alkyl...
01/23/1996
5446135Sulfonyloxy substituted tris-azoaryl dyes and copper complex salts thereof and polarizing films dyed therewith
Dyes having the specific structural formula (1) set out below, their copper salt dyes, water-soluble azo dyes containing the dyes or the copper salt dyes, and polarizing films containing the water-soluble azo dyes: ##STR1## wherein A means a benzene ...
08/29/1995
5423906Trisazo dyes, inks comprising same and their use in ink jet printing
A compound of Formula (1) or salt thereof: ##STR1## wherein: R1 is H, C1-4 -alkyl, C1-4 -alkoxy, CO2 H, SO3 H or --NR3 R4 ; R2 is H, C1-4 -alkyl, C1-4
06/13/1995
5370730Dye composition and aqueous ink derived therefrom
Dye compositions and aqueous inks derived therefrom, especially suitable for use in ink jet printing in which the dye composition contains (a) one or more dyes which, in the free acid form, are of Formula (1): ##STR1## wherein W is H or COOH; X is H ...
12/06/1994
5340504Light-polarizing films containing dichroic dyes
The invention relates to light-polarizing films based on water-soluble organic polymers, more particularly polyvinyl alcohol (PVAL), which contain one or more dichroic bis-, tris- or tetrakis-azo dyes....
08/23/1994
5340929Trisazo dye and dye composition containing the same
The present invention provides a trisazo dye represented by the formula: ##STR1## wherein B is a substituted or non-substituted phenyl group, A is a phenyl group substituted with at least one substituent selected from the group consisting of an amino...
08/23/1994
5336763Trisazo dye and dye composition containing the same
The present invention provides a trisazo dye represented by the formula: ##STR1## [wherein A is a phenyl group substituted with at least one substituent selected from the group consisting of an amino group, a substituted amino group and a hydroxyl gr...
08/09/1994
5318856Water-soluble azo dyes and polarizing films using the dyes
Dyes having the specific structural formula (1) set out below, their copper salt dyes, water-soluble azo dyes containing the dyes or the copper salt dyes, and polarizing films containing the water-soluble azo dyes: ##STR1## wherein A means a benzene ...
06/07/1994
5256194Color ink jet recording method
A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ...
10/26/1993
5213614Ink, ink jet recording process and recording apparatus using the same
An ink comprising: water, a water soluble organic solvent, and a colorant represented by the following general formula (I): ##STR1## wherein Q1 is a substituted phenyl group; Q2 is a substituted or unsubstituted p-phenylene or a substituted or unsubs...
05/25/1993
5198022Waterfast dye and aqueous ink
A alkali-soluble dye for a waterfast ink having structural formula as follows: ##STR1## and an ink containing the dye dissolved in water. Printing from the ink is insoluble below pH 6.0; is an intense black at low concentration; and remains blac...
03/30/1993
5178671Ink, and ink-jet recording method and apparatus employing the ink
Provided is an ink comprising a recording agent and a liquid medium for dissolution or dispersion thereof, the recording agent being a compound represented by the general formula ##STR1## where R1 is a radical selected from the group of lo...
01/12/1993
5171848Salts of black trisazo dyes with alkyl amines having good solubility in organic liquids
Black compounds of Formula (1) having enhanced solubility in polar organic liquids which are useful as ink colorants in conventional and hot melt ink-jet printing and automatic identification, as black colorants for toners and thermal wax transfer sheets ...
12/15/1992
5167703Ink, ink-jet recording process and instrument making use of the ink
Provided is an ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I): ##STR1## wherein R1, R2, and R3 are respectively hydrogen...
12/01/1992
5127946Ink, and ink-jet recording method and apparatus employing the ink
Provided is an ink containing a recording agent and a liquid medium for dissolution or dispersion thereof, said ink comprising, as the recording agent, a compound represented by the general formula (A) ##STR1## where n is 0 or 1; R1, R
07/07/1992
5125969Recording liquid and ink jet recording method employing the same
A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ...
06/30/1992
5110917Water-soluble trisazo dyes
The present invention relates to water-soluble trisazo dyes of the formula T ##STR1## and process for the preparation thereof and to the use thereof....
05/05/1992
5049238Method of dyeing paper utilizing trisazo dyes
A method of dyeing paper utilizing dyes suitable for dyeing paper in blue shades having the formula ##STR1## wherein R is hydrogen, --OH, --OR1 , --NH2, NHR1, --NHCOR1, --NHSO2 R1, --N...
09/17/1991
4841037Amino sulfonaphtholtrisazo compounds and recording liquids containing the same
A naphthalene trisazo compound represented by the general formula (I) or (II): ##STR1## wherein A and B each represents a substituted or unsubstituted benzene or naphthalene ring; m represents zero or 1; and M represents an alkali metal atom, am...
06/20/1989
4836827Tris-azo black or grey dyes for leather or pelts
The compounds of the formula (1) given in claim 1 are suitable for use as dyes for dyeing a wide range of textile and non-textile materials and in particular for dyeing leather and pelts....
06/06/1989
4804411Recording liquid
A recording liquid comprising a solution of a recording agent is provided. The recording agent has a structure containing a plural number of structural units linked together through a linking group or groups. The structural unit may be a dye residue....
02/14/1989
4767459Ink
An ink for ink-jet printing comprising a solution of C.I. Direct Black 168....
08/30/1988
4737240Trisazo black dyes from 2-(4'-aminophenylazo)-7-amino-1-naphthol-3-sulfonic acid
Black trisazo dyes for cellulosic textiles, leather and especially paper having the structure ##STR1## where A is ##STR2## one of B1 and B2 is hydrogen and the other is --SO3 M or a mixture thereof, and M is...
04/12/1988
4734489Trisazo compounds useful in producing water-resistant ink compositions
An azo compound of the formula: ##STR1## wherein R is of the formula: ##STR2## R1 is hydrogen, methyl or --SO3 M; R2 is hydrogen or --SO3 M; R2 is hydrogen or --SO3 M; R3
03/29/1988
4701525Polyazo dyestuffs having high UV absorption
Compounds of the formula in which A is the radical of a bisazo or trisazo dye, L and L' are organic radicals and B and B' are cyclic organic radicals and at least one of the radicals B and B' has spectral absorption in the UV region and one of the radical...
10/20/1987
4600674Trisazo electrophotographic photoconductive material
Disclosed is an electrophotographic photoconductive material excellent in sensitivity and durability which comprises an electroconductive substrate and, provided thereon, a photosensitive layer containing a trisazo pigment represented by the general formu...
07/15/1986
4594410Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form
Azo dyes of the formula ##STR1## and external salts thereof, wherein F is the residue of a monoazo or disazo compound in 1:1 metal complex form or of a trisazo, disazoazoxy or tetrakisazo compound in metal-free or 1:1 metal complex form, each X is in...
06/10/1986
4591634Trisazo/azoxy dyestuff mixtures
Trisazo/azoxy dyestuff mixtures which in the form of free acid correspond to the formula ##STR1## in which R denotes H or optionally substituted alkyl, X and Y denote H, alkyl, alkoxy, halogen, hydroxyl, alkylsulphonyl, optionally mono- or di-alkyl-s...
05/27/1986
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