Hetero Ring Containing Patents (Class 534/655)
  • Publication number: 20150096132
    Abstract: The present invention relates to azo dyes of the formula (1), wherein R1 is hydrogen or hydroxy, R2 is hydrogen or hydroxy, at least one of the radicals R1 and R2 being hydroxy, R3 is hydrogen, cyano, nitro or halogen, R4 is hydrogen, cyano, nitro or halogen, D represents a radical of the formula (2) or (3), wherein R5 denotes C1-C12alkyl, C1-C12hydroxyalkyl, C1-C12alkoxyalkyl, C2-C12alkenyl, C6-C30aryl or C7-C36aralkyl and R6 and R7, each independently of the other, is hydrogen, C1-C12alkyl, C1-C12hydroxyalkyl, C1C12alkoxyalkyl, C6-C30aryl or C7-C36aralkyl, with the proviso that the compound of formula (1) is excluded, wherein R1 is hydrogen, R2 is hydroxy, R3 and R4 is hydrogen and D is the radical of formula (2) wherein R5 is ethyl, and to the use of those dye mixtures in the dyeing or printing of semi-synthetic or synthetic hydrophobic fibre materials.
    Type: Application
    Filed: May 15, 2013
    Publication date: April 9, 2015
    Inventors: Ralf Petermann, Urs Lauk, Kevin Murer, Yvonne Pesek
  • Patent number: 8696766
    Abstract: A dye of the general formula (I) where D is the residue of a diazo component; X is (C1-C6)-alkylene or oxygen-interrupted (C2-C6)-alkylene; R1 is methyl, ethyl or phenyl; R2 is hydrogen, cyano or carboxamido; R3 is phenyl or substituted phenyl; R4 is hydrogen or methyl or R3 and R4 combine with the atoms to which they are attached to form a five- or six-membered ring. The invention further relates to the process of the preparation of the dye of formula and its use.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: April 15, 2014
    Assignee: DyStar Colours Deutschland GmbH
    Inventor: Stefan Neubauer
  • Publication number: 20120130057
    Abstract: The present invention is generally directed to thiol quantitation assays, methods of performing the assays, and compounds used in the assays. It is more specifically directed to assays that include one or more disulfides and related molecules and methods. The disulfides contain a FRET pair.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 24, 2012
    Applicant: AnaSpec Incorporated
    Inventors: Jianjun He, Anita Hong, Qingheng Wang, Raman Khosrow Afshar, Ming Zhu, Vera Rakhmanova
  • Patent number: 8123987
    Abstract: Disclosed is a chromene compound represented by the following formula (1), wherein R1, R2, R3 and R4 are, respectively, hydrogen atoms, alkyl groups, aryl groups, or the like groups under a condition that at least two of R1 to R4 are not hydrogen atoms, R5, R6, R7 and R8 are, respectively, alkyl groups, aryl groups or the like groups, m and n are, respectively, integers of 0 to 4, and x and y are, respectively, integers of 0 to 5.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: February 28, 2012
    Assignee: Tokuyama Corporation
    Inventors: Shinobu Izumi, Junji Takenaka
  • Publication number: 20110030153
    Abstract: A dye of the general formula (I) where D is the residue of a diazo component; X is (C1-C6)-alkylene or oxygen-interrupted (C2-C6)-alkylene; R1 is methyl, ethyl or phenyl; R2 is hydrogen, cyano or carboxamido; R3 is phenyl or substituted phenyl; R4 is hydrogen or methyl or R3 and R4 combine with the atoms to which they are attached to form a five- or six-membered ring. The invention further relates to the process of the preparation of the dye of formula and its use.
    Type: Application
    Filed: March 18, 2009
    Publication date: February 10, 2011
    Applicant: DyStar Colours Deutschland GmbH
    Inventor: Stefan Neubauer
  • Patent number: 7638610
    Abstract: A self-dispersible metal complex colorant is represented by formula 1, which has improved storage stability, may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independently a moiety which includes a substituted or unsubstituted C2-C30 alkenylene group having at least one double bond and is conjugated with an azo group; each of X1 and X2 is selected from the group consisting of a hydroxy group, a C1-C4 alkoxy group, a carboxyl group, and a substituted or unsubstituted amino group; M is a polyvalent transition metal; L is a neutral or anionic ligand; T is a mono- or poly-substituted hydrophilic functional group; n is an integer between 1 and 3; and J is a linker. The self-dispersible metal complex colorant may be used in various fields employing colors, such as fibers, foods, drugs, cosmetics, coatings, inks or ceramics.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: December 29, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-hoon Lee, Seung-min Ryu, Yeon-kyoung Jung
  • Patent number: 7544217
    Abstract: The present invention relates to dye mixtures comprising (A) from 20 to 80% by weight of one or more compounds of formula (1) wherein R1 is C1-C12alkyl, or C1-C2alkyl interrupted by one or more oxygen atoms or —COO-groups and R2, R3, R4 and R5, each independently of the others, is hydrogen, C1-C12alkyl, chlorine, bromine, hydroxy or amino and (B) from 20 to 80% by weight of at least one further yellow disperse dye the sum of components (A)+(B) being 100% by weight, and to the use of those dye mixtures in the dyeing or printing of semi-synthetic or synthetic hydrophobic fiber materials.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: June 9, 2009
    Assignee: Huntsman International LLC
    Inventors: Antoine Clement, Alfons Arquint, Urs Lauk
  • Patent number: 7364597
    Abstract: A metal complex colorant represented by formula 1 may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independently a moiety which includes a substituted or unsubstituted C2-C30 alkenylene group having at least one double bond and is conjugated with an azo group; each of X1 and X2 is selected from the group consisting of a hydroxy group, a C1-C4 alkoxy group, a carboxyl group, and a substituted or unsubstituted amino group; M is a polyvalent transition metal; L is a neutral or anionic ligand; n is an integer from 1 to 3; and J is a linker. The metal complex colorant may be used in various fields employing colors, such as fibers, foods, drugs, cosmetics, coatings, inks or ceramics.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: April 29, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-kyoung Jung, Seung-min Ryu, Kyung-hoon Lee
  • Patent number: 7030229
    Abstract: The present invention relates to an azo dye of formula I, II or III: (formula I, II or III); wherein R1 and R2 are each independently of the other one or more divalent groups selected from alkylene, arylene, aralkylene and cycloalkylene, which may be interrupted by —O—, —S—, —NH—, —NR8—, —COO—, —CONH— or —CONR9—, wherein R8 and R9 are alkyl or aryl, X is —O— or —NH—, R3 is —CN or —CONH2, R4 is methyl or trifluoromethyl and R5, R6, R7 and R8 are each independently of the others hydrogen, halogen or —CN, to a process for the preparation thereof and to the use thereof in a method of producing mass-colored plastics or polymeric color particles.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: April 18, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Antoine Clément, Urs Lauk
  • Publication number: 20040242856
    Abstract: A chromene compound represented by the general formula (1), 1
    Type: Application
    Filed: July 14, 2003
    Publication date: December 2, 2004
    Inventors: Shinobu Izumi, Hironobu Nagoh
  • Patent number: 6696553
    Abstract: Water-soluble dyes of the formula in which R1 is hydrogen, hydroxyl, C1-4-alkyl, C1-4-alkoxy, halogen or SO3M, R2 is hydrogen, C1-4-alkyl or C3-6-cycloalkyl, B is the radical of a carbocyclic, heterocyclic or methylene-active non-cyclic coupling component having at least two optionally fused carbocyclic rings, and M is hydrogen or a non-chromophoric cation, the ring A has no further substituents or is substituted with from one to four of the following substituents: C1-4-alkyl, C1-4-alkoxy, halogen, —NO2, —COOM and, —SO3M, and the group —N═N—B is bonded to position 3 or 4 of the ring A, with the proviso that the molecule contains at least two —SO3M groups, are suitable for dyeing or colouring non-fibrous substrates, in particular anodized aluminium or water-soluble plastic compositions.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: February 24, 2004
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Klaus Körte
  • Patent number: 6451988
    Abstract: 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); wherein at least one of Y1 and Y2 is a group represented by formula (2); wherein X1 is —O—, —S— or —NH—; and Z is an optionally substituted aromatic group or heterocyclic group having conjugated double bonds, and salts thereof; mono-, bis-, and trisazo compounds prepared from the derivatives; and metal complexes containing the derivatives as the ligand.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: September 17, 2002
    Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
    Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
  • Patent number: 5623060
    Abstract: Dye mixtures comprising at least 4 dyes of the same color having the formula ##STR1## where D is the radical of a diazo component of the aminoanthraquinone, aniline, aminothiophene, aminothiazole, aminoisothiazole, aminothiadiazole or aminobenzisothiazole series,one of X1 and X2 is substituted or unsubstituted phenylamino while the other is a radical of the formula NH--L--O--R, where L is substited or unsubstituted C.sub.2 -C.sub.8 -alkylene, andR is hydrogen, C.sub.1 -C.sub.4 or C.sub.1 -C.sub.3 -alkanoyl,are useful for dyeing or printing textile materials.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: April 22, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunther Lamm, Hermann Loeffler, Helmut Reichelt
  • Patent number: 5493011
    Abstract: Water-insoluble azo colorants, their preparation and use The invention relates to monoazo and disazo compounds of the formula (I) ##STR1## in which D is the radical of a carbocyclic or heterocyclic diazo or bisdiazo component, R.sup.1 and R.sup.2, independently of one another, are each a substituted or unsubstituted aryl or heteroaryl radical, X.sup.1 and X.sup.2, independently of one another, are each ring-forming ether oxygen or a substituted or unsubstituted imide grouping and n has the value 0 or 1, in which rings A and B, independently of one another, can each be additionally substituted and/or carry substituted or unsubstituted fused rings.These new compounds of the formula (I) are obtained by coupling diazotized amines or diamines of the type D--NH.sub.2 or H.sub.2 N--D--NH.sub.2 with (benzoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides.Depending on the presence and length of alkyl chains, the compounds of the formula (I) are suitable for use as pigments, disperse dyes or oil-soluble dyes.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: February 20, 1996
    Assignee: Hoechst AG
    Inventors: Rudiger Jung, Reinhold Deubel
  • Patent number: 5484899
    Abstract: The invention relates to compounds of the formula ##STR1## in which the variables are as defined in the claims. The compounds are suitable as dyes, in particular for dyeing and printing cellulosic fibre materials, and produce dyeings and prints with good all-round fastness properties.
    Type: Grant
    Filed: May 3, 1994
    Date of Patent: January 16, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Rolf Deitz, Athanassios Tzikas
  • Patent number: 5420259
    Abstract: Tryptanthrine derivative of the formula ##STR1## where the rings A and B may be benzofused and/or substituted and X is a radical which is derived from a CH-acidic heterocyclic structure which may have a further tryptanthrine radical or from a hydrazinoanthraquinone or, if one or both of the rings A and B are benzofused and/or substituted by phthaloyl, is furthermore oxygen, are used as colorants.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: May 30, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Guentner, Guenther Seybold, Gerhard Wagenblast
  • Patent number: 5264032
    Abstract: Pigment preparation essentially comprisinga) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perylene, phthalocyanine, pyranthrone or thioindigo pigments or a mixture of pigments belonging to various classes, andb) at least one dispersant of the formula (I) ##STR1## in which P, independently of the pigments mentioned in a), is a radical of an anthanthrone azo, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, indanthrone, perylene, phthalocyanine or thioindigo pigment,R.sup.1 and R.sup.2, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: November 23, 1993
    Assignee: Hoechst AG
    Inventors: Erwin Dietz, Manfred Urban
  • Patent number: 5175258
    Abstract: A process for the preparation of photogenerating pigments which comprises the reaction of a diaminofluorenone with an alkali nitrite, an acid, and a tetrafluoroborate; thereafter reacting the resulting product with an anilide coupler; and subsequently annealing the product obtained.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: December 29, 1992
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Ihor W. Tarnawskyj
  • Patent number: 5162545
    Abstract: Malonic acid dyes capable of forming polycondensation products have the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydroxyl, C.sub.1 -C.sub.6 -alkoxy, chlorine or bromine,R.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl,A is C.sub.1 -C.sub.20 -alkylene which may be interrupted by oxygen atoms or by imino or C.sub.1 -C.sub.4 -alkylimino groups, andChr is the radical of a chromophore derived from an anthraquinone, perylene, disazo or trisazo dye or else, when R.sup.3 is C.sub.1 -C.sub.6 -alkyl, from a monoazo dye.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: November 10, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Etzbach, Karin H. Beck, Gerhard Wagenblast
  • Patent number: 4709019
    Abstract: Anthraquinone-azo pyridone-containing compounds which in one of their tautomeric structures, correspond to the formula ##STR1## in which A denotes an .alpha.-anthraquinone radical which is free from sulphonic acid groups and is unsubstituted or substituted and preferably consists of at most 5 fused rings;R.sub.1 denotes hydrogen; alkyl, preferably C.sub.1 -C.sub.4 -alkyl; aryl, preferably phenyl or naphthyl; carboxyl; carboxylic acid ester, preferably carboxylic acid C.sub.1 -C.sub.4 -alkyl ester; or hydroxyl andR.sub.2 denotes hydrogen; halogen; nitro; cyano; unsubstituted or substituted carbamoyl or sulphamoyl; alkylcarbonyl, in particular (C.sub.1 -C.sub.4 -alkyl)-carbonyl; alkoxycarbonyl, in particular (C.sub.1 -C.sub.4 -alkoxy)-carbonyl; alkyl- or unsubstituted or substituted aryl-sulphone, preferably C.sub.1 -C.sub.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: November 24, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Meinhard Rolf, Rutger Neeff, Walter Muller
  • Patent number: 4656257
    Abstract: A disazo compound is provided which is represented by the formula (I): ##STR1## (wherein, R.sub.1 and R.sub.2 each stands for hydrogen, a lower alkyl group with 1-4 carbon atoms, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted hetero ring group. R.sub.1 and R.sub.2 may be the same or different. And, R.sub.1 and R.sub.2 may mutually bond to form a ring).This disazo compound may be obtained by diazotating 2.6-diaminoanthraquinone and reacting the same with a coupler represented by the formula (IV): ##STR2## (wherein, R.sub.1 and R.sub.2 are the same as defined above). Further, a multilayer type electrophotographic element is provided which comprises a charge carrier generating layer and a charge transfer layer and uses, as a charge carrier generating substance, a disazo compound represented by the formula (I).
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: April 7, 1987
    Assignee: Ricoh Co., Ltd.
    Inventor: Mitsuru Hashimoto
  • Patent number: 4563519
    Abstract: Compounds which, in one of the possible tautomeric forms, correspond to the general formula I ##STR1## where n is 1 or 2 and, if n is 1, R is unsubstituted or substituted aryl or heteroaryl or, if n is 2, R is a bridge member, and the rings A and B can be further substituted, are outstanding colorants for surface coatings, printing inks or plastics.
    Type: Grant
    Filed: August 12, 1983
    Date of Patent: January 7, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Dimroth, Heinrich Kowarsch
  • Patent number: 4555567
    Abstract: A disazo compound having the general formula (1) ##STR1## (wherein X represents a substituted or unsubstituted aromatic ring or hetero ring, and Ar represents a substituted or unsubstituted aromatic ring or hetero ring);a method of making said disazo compound which comprises using, as a starting material, couplers having the general formula (2) ##STR2## and the general formula (4) ##STR3## (wherein X and Ar are the same as defined above); and a multilayer type electrophotographic element using said disazo compound as a charge transfer substance.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: November 26, 1985
    Assignee: Ricoh Co., Ltd.
    Inventor: Mitsuru Hashimoto
  • Patent number: 4515716
    Abstract: Diaminopyridine-based azo dyes for cellulose-containing fibers, represented by the following formula: ##STR1## and the other is hydrogen, phenyl, benzyl, allyl, or alkyl which are unsubstituted or substituted by hydroxyl or lower alkoxy(whereinA is methylene, ethylene, propylene, or 1,3-butylene;n is 0 or 1;Y.sup.1 and Y.sup.2, which are the same or different, are hydrogen, alkyl, alkenyl, cyclohexyl, aryl, or aralkyl which are unsubstituted or substituted by cyano, hydroxy, lower alkoxy, or dialkylamino, or Y.sup.1 and Y.sup.2 together form a 5- or 6-membered heterocyclic ring (NY.sup.1 Y.sup.2) containing one nitrogen, the total number of carbon atoms of Y.sup.1 and Y.sup.2 being 18 or less;R.sup.1 is nitro, cyano, methylsulfonyl, phenylsulfonyl, mono-lower alkylaminosulfonyl, di-lower alkylaminosulfonyl, acetyl, or benzoyl;R.sup.2 and R.sup.3, which are the same or different, are hydrogen, trifluoromethyl, halogen, or cyano;R.sup.
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: May 7, 1985
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Toshio Niwa, Toshio Hihara
  • Patent number: 4500455
    Abstract: Diaminopyridine dyes for dyeing cellulose-containing fibers, particularly cellulose fibers and polyester-cellulose fibers in from orange to bluish red, with excellent fastness to light. The dyes are represented by the formula (I): ##STR1## X is a hydrogen atom, or a halogen atom; Y is an alkoxy group containing from 1 to 5 carbon atoms, --O--R.sup.10 --O--R.sup.11, or a phenoxy group; andn is 2 or 3, and wherein R.sup.1 is a nitro group, a cyano group, a methylsulfonyl group, a phenylsulfonyl group, a mono- or di-lower alkylaminosulfonyl group, an acetyl group, or a benzoyl group; R.sup.2 and R.sup.3 are each a hydrogen atom, a trifluoromethyl group, a halogen atom, or a cyano group; R.sup.4 is a hydrogen atom, a lower alkyl group, a mono- or di-lower alkylaminosulfonyl group, a mono- or di-lower alkylcarbamoyl group, or an acetylamino group; R.sup.5 and R.sup.6 are each a hydrogen atom, a halogen atom, or a lower alkyl group; R.sup.7 is a lower alkyl group; R.sup.8 is a hydrogen atom or a halogen atom; R.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: February 19, 1985
    Assignee: Mitsubishi Chemical Industries, Limited
    Inventors: Toshio Niwa, Toshio Hihara, Yukiharu Shimizu
  • Patent number: 4500619
    Abstract: An electrophotographic photosensitive member comprises a layer containing at least one disazo pigment represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represent hydrogen, halogen, lower alkyl or lower alkoxy; R.sub.3 represents methyl, ehtyl or C.sub.3 -C.sub.10 linear alkyl; and X represents a residue necessary to complete an aromatic hydrocarbon ring or heterocyclic ring, substituted or unsubstituted.
    Type: Grant
    Filed: March 22, 1984
    Date of Patent: February 19, 1985
    Assignees: Copyer Kabushiki Kaisha, Canon Kabushiki Kaisha
    Inventors: Shozo Ishikawa, Kazuharu Katagiri, Katsunori Watanabe, Kiyoshi Sakai, Makoto Kitahara
  • Patent number: 4491544
    Abstract: A compound having the formula (I): ##STR1## wherein D is a radical of a heterocyclic or aromatic component selected from the group of aniline, anthraquinone, phthalimide or aminobenzene radicals, wherein the radical is unsubstituted or is substituted by fluorine, chlorine, bromine, nitro, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl, cyano, C.sub.1 -C.sub.4 -alkylsulfonyl, carboxylic acid ester groups, carbamyl, sulfamyl, 1,3,4- or 1,2,4-oxadiazolyl or acylamino groups; X is CO-- or --SO.sub.2 --; and R is an aliphatic, aromatic or heterocyclic radical selected from the group of C.sub.1 -C.sub.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: January 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Radtke, Heinrich Kowarsch, Erwin Hahn, Peter Hauser