Class 552/242 - The additional carbon is part of a ring

Subclass of Class 552 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the additional carbon is part of a ring.
No. of patents: 40
Last issue date: 02/20/2007

Number	Title	Issue Date
7179308	Ethylenically-unsaturated blue anthraquinone dyes This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acr...	02/20/2007
7172634	Ethylenically-unsaturated blue anthraquinone dyes This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acr...	02/06/2007
7105688	Ethylenically-unsaturated red anthraquinone dyes This invention pertains to certain novel red anthraquinone colorant compounds containing one or more ethylenically-unsaturated (e.g., vinyl), photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored ...	09/12/2006
6051360	Dyestuffs and resin compositions Dyestuffs represented by the below-described formula (1), that is, dyestuffs formed of a chromophoric nucleus and a bisphenol introduced therein have excellent solubility in solvents and binder resins, and can provide color filters having excellent transm...	04/18/2000
5759211	Anthraquinone dyes containing a fluorosulphonyl group and use thereof A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound of Formula (1): ##STR1## wherein: Ring A and Ring D are optionally substituted and at least one of ...	06/02/1998
5663386	Method for marking mineral oils with amthraquinones The invention discloses the use of anthraquinones of the formula ##STR1## where R3 is unsubstituted or substituted C1 -C18 -alkyl or unsubstituted or substituted phenyl for marking mineral oils. Also disclosed are the...	09/02/1997
5578419	Dyes for color filters, and photosensitive resist resin composition containing the same Dyes suitable for use in the fabrication of color filters are described which contain one or more photopolymerizable substituents preferably represented by the following formula: D-(A-Yn1)n2 (1) where ...	11/26/1996
5412123	Anthraquinone and anthracene derivatives as inhibitors of the cell-adhesion molecules of the immune system Derivatives of anthraquinone and anthracene are synthesized and formulated into pharmaceutical formulations. When the formulations are administered the derivatives act as ligands binding to an interrupting the biological chain of events associated with se...	05/02/1995
5354876	Preparation and purification of 1-amino-2-phenoxy-4-hydroxyanthraquinone Pure 1-amino-2-phenoxy-4-hydroxyanthraquinone is prepared by reacting 1-amino-2-halo-4-hydroxyanthraquinone with phenol in aqueous suspension at pH 9-13 and 130°-160° C., adjusting the reaction mixture pH to 9.5-11.5 after the reaction has ended, separa...	10/11/1994
5204370	Bis-(hydroxyalkylamino)-anthraquinone inhibitors of protein kinase C The present invention provides novel substituted anthraquinones having the formula ##STR1## wherein R1 and R2 are independently H, C1 -C10 alkyl, aryl, arylalkyl, alkylaryl; n and m are independently 1, 2, ...	04/20/1993
4710320	Method for producing 1-amino-2-phenoxy-4-hydroxyanthraquinones 1-Amino-2-phenoxy-4-hydroxyanthraquinones, which are useful as a red disperse dye for polyester fibers, and also useful as an intermediate for the production of other red disperse dyes, are produced in a high yield and purity by reacting a 1-amino-2-halog...	12/01/1987
4689171	Anthraquinone dyestuffs, their preparation and use and dichroic material containing these anthraquinone dyestuffs Dyestuffs of the formula ##STR1## in which Y1, Y2, Y3, Y4 designate hydrogen, halogen, nitro, amino, alkylamino, arylamino, cycloalkylamino, aralkylamino, alkylthio, arylthio, cycloalkylthio, aralkylthio or...	08/25/1987
4632781	Liquid crystal dye compound A liquid crystal display device comprising a liquid crystal composition filled between one pair of electrode substrates at least one of which is transparent, said liquid crystal composition containing one or more blue dye(s) represented by the following g...	12/30/1986
4610804	Anthraquinone dyes and liquid crystal compositions including the same A liquid crystal composition comprising a host liquid crystal material and at least one guest novel anthraquine dye dissolved in said host liquid crystal material has a high order parameter, sufficient solubility in the host liquid crystal and high stabil...	09/09/1986
4585574	Anthraquinone dyestuffs, processes for their preparation, their use, and liquid-crystalline materials containing anthraquinone dyestuffs Anthraquinone dyestuffs of the formula ##STR1## in which R1 and R2 denote hydrogen, alkyl, cycloalkyl, aryl or aralkyl, and the said hydrocarbon radicals can be substituted, and Q denotes an aryl radical or heterocyclic radical or an...	04/29/1986
4518535	Preparation of electrically conductive systems from substituted phenalenes, and the products obtained Air-stable, electrically conductive systems having conductivities greater than 1×10-3 Ω-1 cm-1 are prepared by reacting a metal cation of an element of sub-group VII, VIII or I of the periodic table with a 1,9-substitute...	05/21/1985
4505549	Liquid crystal display device A liquid crystal display device comprising a liquid crystal composition filled between one pair of electrode substrates at least one of which is transparent, said liquid crystal composition containing one or more blue dye(s) represented by the following g...	03/19/1985
4485043	Process for producing 1-amino-4-hydroxy-anthraquinones 1-Amino-4-hydroxy-2-phenoxy- or -2-alkoxyanthraquinones are obtained by reaction of a 1-amino-2-halo-4-hydroxyanthraquinone with an alcohol or phenol. The reaction is performed in an organic solvent in the presence of an alkaline-acting agent and a phase-...	11/27/1984
4388078	Anthraquinone dyestuff modification The present invention is concerned with modifying the crystal form of the anthraquinone of the formula ##STR1## so as to render it more suitable for disperse dyeing and to improve its performance in thermosol dyeing. The modification is effected by h...	06/14/1983
4376715	Composition based on liquid crystal for electro-optical device A composition for use in an electro-optical device, particularly a display device, contains anthraquinone pleochroic dye of formula (I): ##STR1## where R1 is a substituted or unsubstituted amino group or a hydroxy group; each of R2	03/15/1983
4363743	Liquid crystals having pleochroic dyes Anthraquinone dyes of the general formula: ##STR1## wherein R1, R3, R4 and R6 are selected from the group consisting of H, OH, OCH3, NO2, NH2 and NHCH3 ; R2	12/14/1982
4301082	Anthraquinone compounds There are described new anthraquinone compounds which, in the form of the free acid, correspond to the formula I ##STR1## in which R1 is a straight-chain or branched-chain alkyl group having 4 to 8 carbon atoms, R2 and R3	11/17/1981
4278606	Preparation of 1-amino-2-phenoxy-4-hydroxyanthraquinone In a process for the preparation of 1-amino-2-phenoxy-4-hydroxyanthraquinone by reacting 1-amino-2-halogeno-4-hydroxyanthraquinone with a phenol in an alkaline aqueous medium at an elevated temperature, the improvement that 1-amino-2-chloro-4-hydroxy...	07/14/1981
4267115	Anthraquinone compounds Water-soluble anthraquinone dyes which bear one or two 3,5,5-trimethylcyclohexylamino groups in the 1- and/or 4-positions and one or two -SO3 H groups bound either directly to a carbon atom of an aromatic ring or indirectly over an oxygen atom ...	05/12/1981
4244691	Novel water-soluble anthraquinone dyes The invention relates to novel, water-soluble anthraquinone dyes which, in the form of the free acid, have the formula I ##STR1## in which X is halogen, R1 is an unbranched or branched alkyl radical having 4 to 8 carbon atoms, R2	01/13/1981
4224228	Water-soluble anthraquinone dyes There are described new violet water-soluble anthraquinone dyes of the formula ##STR1## wherein R1 represents a straight-chain or branched-chain alkyl group having 4 to 8 carbon atoms, R2 and R3 independently of one a...	09/23/1980
4222947	Anthrachinone dyestuffs Dyestuffs, which are free from nitro groups and sulphonic acid groups, of the formula wherein F denotes an anthraquinone nucleus which contains at least one auxochromic group in the ଱-position, Z denotes a direct bond or a bridge member, A denotes alkyle...	09/16/1980
4213900	Spray-drying method for the preparation of water-dispersible pulverulent disperse dye formulations Easily water-dispersible pulverulent formulations of disperse dyes are prepared by spray-drying a dye solution which comprises (a) one or more disperse dyes, (b) one or more water-soluble anionic dispersants, (c) from 0 to 20% by weight, based on (a+b+c+d), of othe...	07/22/1980
4170600	Thiocyanomethyl substituted anthraquinone disperse dyes The present invention relates to disperse dyestuffs of the anthraquinone series which contain at least one group of formula --Y--CH2 (SCN) where Y is a mono- or binuclear aryl group, which dyestuffs are useful for dyeing or printing textile sub...	10/09/1979
4138414	2-Phenoxy and 2-phenylthio anthraquinone disperse dyes The present invention relates to 2-phenoxy or 2-phenylthio anthraquinone compounds which bear a group of formula VI, ##STR1## bound to the para position of the phenoxy or phenylthio group, IN WHICH R3 is hydrogen; (C1-6)alkyl; (...	02/06/1979
4083847	Transiently water-soluble disperse mono-azo dyes containing a diamino-methylene-carbacyl group Dyes of the formula ##STR1## WHEREIN F is a dye of the disperse class, n is 1 or 2, and W is the radical of a diammonium or aminoammonium compound which is linked through an ammonium group to the methylenecarbonyloxy radical, said dyes finding u...	04/11/1978
4080369	Disperse anthraquinone dyestuffs 1,4-Di(hydroxy- or amino-)-2-[alkoxycarbonylmethylene(oxy or amino)phenyl(oxy)]anthraquinones. Disperse dyestuffs for synthetic textile materials, especially aromatic polyesters....	03/21/1978
4078890	Process for the dyeing and printing of polyester material The invention relates to a process for the dyeing and printing of polyester material in a weakly acid, neutral or alkaline solution of at least one altered dispersion dyestuff water-soluble at an intermediate stage and containing a carbacyl group which is...	03/14/1978
4046785	Process for preparing aminoanthraquinones A process for preparing aminoanthraquinones of high purity, which comprises catalytically hydrogenating nitroanthraquinones in the suspended state in an aqueous medium in the presence of a hydrogenating catalyst. In a preferred embodiment, the catalytic h...	09/06/1977
4008222	Anthraquinone dyestuffs Anthraquinone dyestuffs suitable for use in dyeing and printing synthetic fiber material, particularly polyesters, and process for their preparation which comprises reacting an anthraquinone which contains, in at least one ଲ-position, a reactive gro...	02/15/1977
3987026	Transiently water-soluble non-heterocyclic azo and disazo disperse dyestuffs Transiently water-soluble dyestuffs of the formula ##EQU1## WHEREIN F is a radical of a non-heterocyclic azo disperse dyestuff containing no groups which dissociate in water, n is 1 or 2, X is an electrophilic group, R1 is an optionally su...	10/19/1976
3980678	Anthraquinone disperse dyes A disperse dye of the formula, ##SPC1## Wherein X1 and X2 each are an amino or hydroxyl group, Y is a hydrogen or halogen atom, Z is an oxygen or sulfur atom or a direct linkage, R is a hydrogen or halogen atom or a lower alkyl or lo...	09/14/1976
3972904	Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them Water-soluble dyestuffs of the general formula ##EQU1## WHEREIN F represents the radical of a water-insoluble anthraquinone dyestuff, X represents an oxygen atom, a sulfur atom or a nitrogen atom which is substituted by a hydrogen atom, a lower alkyl...	08/03/1976
3968131	Manufacture of 1-amino-2-alkoxy-4-hydroxyanthraquinones An improvement in the process for the manufacture of 1-amino-2-alkoxy-4-hydroxyanthraquinones by reaction of primary, saturated, linear or branched aliphatic alcohols, which may contain further substituents, with 1-amino-2-phenoxy-4-hydroxyanthraquinone o...	07/06/1976
3952029	2-(Fluorosulfonyl)ethylamino anthraquinones Dyestuffs of the anthraquinone series having a single anthraquinone nucleus substituted in one or two alpha positions of the nucleus with a --NHCH2 CH2 SO2 F radical....	04/20/1976

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Class 552/242 - The additional carbon is part of a ring