Heterocyclic Onium Group, E.g., Pyridinium, Etc. Patents (Class 8/655)
  • Patent number: 8845761
    Abstract: Disclosed are compositions containing: a) 25-60% by weight of compound of formula (1) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; c) up to 50% by weight of water.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 30, 2014
    Assignee: 3V Sigma S.P.A.
    Inventors: Carlo Seccomandi, Ivan Balestra, Paolo Alioli
  • Patent number: 8632610
    Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: January 21, 2014
    Assignee: Conopco Inc.
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
  • Patent number: 8398722
    Abstract: The invention relates to the dyeing of keratin materials using phenylpyrido[1,2-a]indolinium-derived thiol and disulfide fluorescent dyes. The invention relates to a dye composition comprising a phenylpyrido[1,2-a]indolinium-derived-chromophore thiol or disulfide dye and to a dyeing process with a lightening effect on keratin materials, in particular keratin fibers, especially human keratin fibers, such as the hair, using said composition. It similarly relates to novel phenylpyrido[1,2-a]indolinium-derived-chromophore thiol dyes and to the uses thereof in lightening keratin materials. This composition makes it possible to obtain a coloring with a lightening effect which is particularly resistant and visible on dark keratin fibers.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: March 19, 2013
    Assignee: L'Oreal
    Inventors: Andrew Greaves, Nicolas Daubresse
  • Publication number: 20120328975
    Abstract: A perimidine-based squarylium dye contains a compound represented by Formula (I), the compound containing an isomer A and satisfying the following formula: Pa?95(%) wherein the isomer A is an isomer of the peak shown in the longest retention time among all peaks due to isomers obtained by analysis of the compound by means of reversed-phase high-performance liquid chromatography, and Pa represents a value of the peak area of the isomer A relative to the peak area of all peaks
    Type: Application
    Filed: December 6, 2011
    Publication date: December 27, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Minquan TIAN, Takashi MATSUBARA, Suguru NAKASO, Yuka ITO, Shinji HASEGAWA, Makoto FURUKI
  • Publication number: 20120192364
    Abstract: The present invention provides a laundry treatment composition comprising a cationic phenazine dye.
    Type: Application
    Filed: October 1, 2010
    Publication date: August 2, 2012
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
  • Publication number: 20120036652
    Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.
    Type: Application
    Filed: April 8, 2010
    Publication date: February 16, 2012
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird
  • Patent number: 8062382
    Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: November 22, 2011
    Assignee: Conopco Inc.
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
  • Publication number: 20110072595
    Abstract: The present invention provides a laundry treatment composition comprising a cationic azine dye.
    Type: Application
    Filed: February 16, 2009
    Publication date: March 31, 2011
    Inventors: Stephen Norman Batchelor, Jayne Michelle Bird, Susan Barbara Joyce
  • Patent number: 7311736
    Abstract: The invention concerns the use as direct dyeing agent of at least one tetra-azapentamethine compound, a dyeing composition comprising at least such a compound, as well as a method for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, which consists in applying at least one composition comprising such a compound. The composition also concerns tetra-azapentamethine compounds of formula (I). The invention further concerns a method for bleaching such compounds, as well as bleaching keratinous fibers previously dyed therewith.
    Type: Grant
    Filed: July 4, 2003
    Date of Patent: December 25, 2007
    Assignee: L'Oreal
    Inventors: Herve Burgaud, Herve David, Rui Pereira, Beatrice Belcour-Castro
  • Patent number: 7288639
    Abstract: The present disclosure relates to dissymmetrical cationic diazo compounds having at least one 4-pyridinium unit and a cationic or non-cationic linker. The disclosure further relates to dyeing compositions comprising these compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers. Further, the disclosure relates to a method of coloring keratin fibers that employs this composition, and a device having a plurality of compartments.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: October 30, 2007
    Assignee: L'Oreal S.A.
    Inventors: Hervé David, Andrew Greaves, Nicolas Daubresse
  • Patent number: 7288120
    Abstract: The present disclosure relates to processes for synthesizing tetraazapentamethine compounds that comprise reacting at least one compound of azine type with at least one oxidizing agent. The disclosure also relates to processes for dyeing keratin fibers, for example human keratin fibers, that comprise using such synthetic processes.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: October 30, 2007
    Assignee: L'Oreal S.A.
    Inventors: Rui Pereira, Hervé Burgaud
  • Patent number: 7247713
    Abstract: The present disclosure relates to symmetrical cationic diazo compounds of formula (I), the resonance forms, and also the acid addition salts and/or the solvates thereof: The present disclosure further relates to dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, and also to a method of coloring keratin fibers that employs this composition, and a multi-compartment kit containing such compositions.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: July 24, 2007
    Assignee: L'Oreal, S.A.
    Inventors: Hervé David, Andrew Greaves, Nicolas Daubresse
  • Patent number: 7220286
    Abstract: The present invention relates to cationic direct dyes of formula (I) below: in which W1 represents —NR8— or —O—; X1 represents N; CR9; R1 and R2, which may be identical or different, represent a hydrocarbon chain; R3 and R4, which may be identical or different, represent a hydrogen atom, a halogen atom, a nitro group, a cyano group or a hydrocarbon chain; R5, R6, R7, R8 and R9, which may be identical or different, represent a hydrogen atom or a hydrocarbon chain; L represents a specific bridging group and X represents a cosmetically acceptable organic or mineral anion. It likewise relates to a dye composition comprising, in a medium suitable for dyeing human keratin fibers, such a dye, a process using it, and also a multicompartment device.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: May 22, 2007
    Assignee: L'Oreal SA
    Inventor: Andrew Greaves
  • Patent number: 7166710
    Abstract: The present invention relates to novel cationic dye of formula (1) and (1a) wherein A is an organic radical of formula (2) or (3) wherein R1 and R2 are each independently of the other unsubstituted or substituted C1–C14alkyl or an aryl radical, R3 is hydrogen, unsubstituted or substituted C1–C14alkyl, unsubstituted or substituted C1–C14alkoxy, cyan or halogenid, R4 is hydrogen, unsubstituted or substituted C1–C14alkyl or an aryl radical, and X? is an anion. Further, the present invention relates to compositions thereof, especially comprising other dyes, to processes for the preparation thereof and to the use thereof in the dyeing of organic material, such as keratin, wool, leather, silk, paper, cellulose or polyamides, and preferably human hair.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: January 23, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Victor Paul Eliu, Beate Fröhling
  • Patent number: 7166711
    Abstract: The present invention relates to novel cationic dye of formula (1) wherein R1 and R7 are each independently of the other hydrogen, hydroxyl; unsubstituted or substituted C1–C6alkyl, aryl radical or C114 C6alkoxy; or —NR3R4, wherein R3 and R4 are each independently of the other hydrogen, unsubstituted or substituted aryl radical or C1–C6alkyl, and R2 is hydrogen, hydroxyl, unsubstituted or substituted C1–C6alkyl, aryl radical or C1–C6alkoxy, —NR3R4, or an organic radical of formula (2) wherein R5 is hydrogen, unsubstituted or substituted aryl radical or C1–C6alkyl, and X? is an anion. Further, the present invention relates to compositions thereof, especially comprising other dyes, to processes for the preparation thereof and to the use thereof in the dyeing of organic material, such as keratin, wool, leather, silk, cellulose or polyamides, and preferably human hair.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: January 23, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Victor Paul Eliu, Beate Fröhling
  • Patent number: 7060110
    Abstract: The invention concerns a novel dyeing composition for dying keratinous fibers, in particular human hair, comprising a dicationic monoazo dye, and the dyeing method using said composition and the novel compounds of formulae (I) or (II).
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: June 13, 2006
    Assignee: L'Oreal
    Inventors: Laurent Vidal, Hervé David
  • Patent number: 6762287
    Abstract: Dyes of formula (1) or (2) wherein R1, R1′, R2 and R2′ are each independently of the others hydrogen, C1-C4alkyl, halogen or nitro, R3, R3′, R4 and R4′ are each independently of the others C1-C4alkyl unsubstituted or substituted by OH, C1-C4alkoxy, halogen, CN or phenyl, R5 is hydrogen or C1-C4alkyl, R6 is unsubstituted or amino-substituted C5-C12alkyl; or unsubstituted or amino-substituted C5-C8cycloalkyl; or phenyl-substituted C1-C4alkyl; or wherein R5 and R6 together with the nitrogen atom linking them from a piperazine ring, which is substituted, at the nitrogen atom that is not bonded to the phenyl group, by C1-C4-alkyl or phenyl, the alkyl and phenyl radicals mentioned as substituents of the nitrogen atom of the piperazine ring being unsubstituted or substituted by amino, X1, X2, X3 and X4 are each independently of the others hydrogen, C1-C4alkyl, C1-C4alkoxy or halogen, Y1 is a bridging member of formula (I) or —NH—(CH2)6—NH—, and X− is an anion, as
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: July 13, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Peter Möckli
  • Patent number: 6645259
    Abstract: Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: November 11, 2003
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Patent number: 6638321
    Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z, Z being chosen from aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: October 28, 2003
    Assignee: L'Oreal
    Inventors: Alain Genet, Alain Lagrange
  • Patent number: 6623531
    Abstract: The invention relates to a hair dye composition having markedly high dyeing power, less color fade over time, and undergoes a small change in the color tone of the dye even after storage.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: September 23, 2003
    Assignee: Kao Corporation
    Inventors: Yukihiro Ohashi, Hajime Miyabe, Kenichi Matsunaga
  • Patent number: 6592633
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using the composition.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: July 15, 2003
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Publication number: 20030019053
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using it.
    Type: Application
    Filed: April 6, 1999
    Publication date: January 30, 2003
    Inventor: CHRISTINE RONDEAU
  • Patent number: 6451071
    Abstract: This invention relates to colorants comprising organic chromophores, in particular reactive dyes, which comprise electrophilic reactive groups, and which are also covalently bonded to fatty amine moieties through amino linking groups. Such colorants provide excellent colorability and long-term stability, both within (or on) colored substrates and upon long-term storage. Such colorants exhibit particularly good coloring and stability within hydrocarbon compositions, such as fuels, mineral oil, and the like, and wax compositions, including candles, crayons, and the like. Methods of making such colorants as well as methods of coloring hydrocarbon and wax compositions are also contemplated within this invention.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: September 17, 2002
    Assignee: Milliken & Company
    Inventor: John D. Bruhnke
  • Patent number: 6436153
    Abstract: The invention relates to a direct dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing and which is free of oxidases or oxidoreductases, at least one cationic direct dye of given formula and at least one specific polyol and/or polyol ether. Subjects of the invention are also the dyeing processes and devices/kits using the said composition.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: August 20, 2002
    Assignee: L'Oréal S.A.
    Inventor: Christine Rondeau
  • Patent number: 6379398
    Abstract: Dibenzenic ortho-phenylenediamines comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring, and aliphatic chains comprising at least one quaternized unsaturated ring, to their use as oxidation base, coupler or autooxidizable dye for the oxidation dyeing of keratin fibers, to dye compositions containing them, and to oxidation dyeing processes using them.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: April 30, 2002
    Assignee: L'Oreal
    Inventors: Alain Genet, Alain Lagrange
  • Publication number: 20020046432
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using it.
    Type: Application
    Filed: April 6, 1999
    Publication date: April 25, 2002
    Inventor: CHRISTINE RONDEAU
  • Patent number: 6371994
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least glycerol and/or one specific polyol and/or polyol ether. The invention also relates to the dyeing processes and devices using this composition.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: April 16, 2002
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Patent number: 6358286
    Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one oxidation base and at least one specific cationic dye as direct dye, as well as to the dyeing process using this composition.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: March 19, 2002
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Patent number: 6340371
    Abstract: Monobenzenic ortho-phenylenediamines comprising at least one cationic group Z, Z being chosen from aliphatic chains, comprising at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: January 22, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Patent number: 6306181
    Abstract: The invention relates to novel 4-hydroxyindole derivatives comprising at least one cationic group Z, Z being selected from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring, and aliphatic chains containing at least one quaternized unsaturated ring, to their use as a coupler for the oxidation dyeing of keratinous fibers, to the dyeing compositions comprising them, and to the methods of oxidation dyeing which employ them.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: October 23, 2001
    Assignee: L'Oreal
    Inventors: Eric Terranova, Aziz Fadli, Alain Lagrange
  • Patent number: 6287348
    Abstract: This invention relates to colorants comprising organic chromophores, in particular reactive dyes, which comprise electrophilic reactive groups, and which are also covalently bonded to fatty amine moieties through amino linking groups. Such colorants provide excellent colorability and long-term stability, both within (or on) colored substrates and upon long-term storage. Such colorants exhibit particularly good coloring and stability within hydrocarbon compositions, such as fuels, mineral oil, and the like, and wax compositions, including candles, crayons, and the like. Methods of making such colorants as well as methods of coloring hydrocarbon and wax compositions are also contemplated within this invention.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: September 11, 2001
    Assignee: Milliken & Company
    Inventor: John D. Bruhnke
  • Patent number: 6270533
    Abstract: The invention relates to novel dibenzene oxidation bases containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: August 7, 2001
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Patent number: 6221113
    Abstract: A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a phenolic derivative of at least 1 g/liter at a temperature of 25° C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: April 24, 2001
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Jürgen Geiwiz
  • Patent number: 6045591
    Abstract: The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: April 4, 2000
    Assignee: L'Oreal
    Inventor: Christelle Deneulenaere
  • Patent number: 5944856
    Abstract: A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a phenolic derivative of at least 1 g/liter at a temperature of 25.degree. C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: August 31, 1999
    Assignee: Clariant Finanace (BVI) Limited
    Inventor: Jurgen Geiwiz
  • Patent number: 5888252
    Abstract: A process for dyeing keratin-containing fibers, comprises treating said fibers with a tinctorially effective amount of a dye of the formula ##STR1## where D is the radical of a diazo component of the formula ##STR2## R.sub.1 is an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, R.sub.2 and R.sub.3 are independently of each other hydrogen, an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, or R.sub.3 and R.sub.2, together with the nitrogen and carbon atoms joining them together form a 5- or 6-membered ring, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkoxy, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -Calkylcarbonylamino, or R.sub.5 and R.sub.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: March 30, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Peter Mockli
  • Patent number: 5749925
    Abstract: 4,5-Dihydro-1H-1,2,3-triazolium compounds of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 independently of one another denote C.sub.6 -C.sub.14 -aryl or a heterocyclic radical having up to 3 rings and up to 4 heteroatoms from the series consisting of O, S and N,R.sup.3 and R.sup.4 independently of one another denote hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.4 -C.sub.8 -cycloalkyl, C.sub.7 -C.sub.17 -aralkyl, C.sub.6 -C.sub.14 -aryl or nitrile orR.sup.3 and R.sup.4 together denote a 2- to 5-membered C bridge, which can optionally be interrupted by up to two oxygen and/or nitrogen atoms, andX.sup.- denotes an anion,wherein all the alkyl, alkenyl, cycloalkyl, aralkyl and aryl radicals and fused and heterocyclic radicals present can optionally be substituted by nonionic substituents, carboxyl groups, ammonium groups and/or pyridinium groups, are used as dyestuffs.New 4,5-dihydro-1H-1,2,3-triazolium compounds correspond to the formula (I), with the provisos that if R.sup.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: May 12, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Bocker, Horst Berneth, Henry Giera
  • Patent number: 5733343
    Abstract: Keratin-containing fibres, in particular human hair, are dyed using dyes of formulae (1) to (6) indicated in claim 1. These dyes make it possible to dye by the trichromatic principle even in dark shades.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: March 31, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Peter Mockli
  • Patent number: 5725607
    Abstract: There has been found1) a method for reducing the toxicity of spent liquors from dyeing with cationic dyes or mixtures thereof, characterized by the step of dyeing with cationic dyes having a computed electrostatic shielding energy (idealized hydration energy) of .gtoreq.50 kcal/mol,2) cationic, generally low toxicity dyes, their preparation and use for dyeing.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: March 10, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Henry Giera, Felix Reichel, Horst Berneth, Thomas Bocker, Karin Hassenruck, Karl Lange, Karlheinrich Meisel
  • Patent number: 5674299
    Abstract: The cationic or basic dyes of formulae (1) and (2) cited in claim 1 are particularly suitable for dyeing paper.These dyes dye paper in a yellow, orange or brown shade having good fastness properties.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: October 7, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Adolf Kaser
  • Patent number: 5580964
    Abstract: Cationic 1,3,4-thiadiazole dyestuffs of the formula ##STR1## in which the symbols used have the meaning given in the description, corresponding anhydrobases, processes for the preparation of the cationic 1,3,4-thiadiazole dyestuffs, their use for dyeing and printing various materials and as dichroic dyestuffs in polarizing films, and various materials which comprise such dyestuffs.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: December 3, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Uwe Claussen, Werner Hartwich, Peter Wild
  • Patent number: 5545724
    Abstract: The invention relates to cationically bridged tetrakisazo compounds, corresponding to formula I, ##STR1## wherein the individual symbols are defined as in claim 1, as well as residues and liquid preparations thereof. The compounds and their preparations are used for dyeing and printing hydroxy-group-containing or nitrogen-containing organic substrates by a known method. Preferred substrates are textile materials which consist of or contain cellulose, especially cotton, or also bast fibres, leather and preferably paper or paper pulp products, especially wood-containing paper.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: August 13, 1996
    Assignee: Sandoz Ltd.
    Inventor: Helmut A. Moser
  • Patent number: 5496378
    Abstract: Basic dyes of the formula ##STR1## where n is from 1 to 3,CuPc is a copper phthalocyanine radical,R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.2 is C.sub.1 -C.sub.4 -alkyl,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is C.sub.1 -C.sub.4 -alkyl andAn.sup..crclbar. is the equivalent of an anion,with the proviso that R.sup.1 and R.sup.3 are not both hydrogen, are useful for dyeing or printing polymeric material.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: March 5, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Heidi Hengelsberg, Manfred Ruske, Udo Mayer
  • Patent number: 5474578
    Abstract: A hair fiber having a first color is contacted with a dye having the formula I, formula II, formula III or a mixture thereof whereby the fiber has imparted to it a second color, upon subsequent contact with alkaline peroxide the visual appearance of the first color is restored to the fiber.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: December 12, 1995
    Assignee: Clairol, Inc.
    Inventors: Alexander C. Chan, Alice A. Mayer, Jia-Shen Wang, Gottfried Wenke, Mu-Ill Lim
  • Patent number: 5328993
    Abstract: The new cationic triazatrimethine dyestuffs of the formula ##STR1## wherein the substituents B, Z, R.sup.2 and An.sup..crclbar. have the meaning given in the description, are suitable for dyeing and printing naturally occurring and synthetic materials.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: July 12, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hauke Furstenwerth, Karl-Heinrich Lange, Roderich Raue, Alfred Brack
  • Patent number: 5286854
    Abstract: Basic azo dyes useful for dyeing or printing polymeric material have the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkanoylamino,R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or a radical of the formula CO-X, andX is hydroxyl, C.sub.1 -C.sub.4 -alkoxy, amino, mono- or di(C.sub.1 -C.sub.6 -alkyl)amino or a radical of the formula ##STR2## where n is 0 or 1,R.sup.3, R.sup.4 and R.sup.5 are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl,R.sup.6 is hydrogen or C.sub.1 -C.sub.4 -alkyl,L is C.sub.2 -C.sub.6 -alkylene, andAn.sup..crclbar. is one equivalent of an anion,with the proviso that at least one basic or quaternary radical is present in the molecule.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: February 15, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Erwin Hahn, Heidi Hengelsberg, Udo Mayer
  • Patent number: 5163972
    Abstract: Process to dye polyacrylonitrile in blue shades with cationic dye compounds: substituted benzothiazolium azo N-alkyl-N-hydroxyalkyl alkyl-aniline salts.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: November 17, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Wilfried Herter, Josef Koller
  • Patent number: 5125930
    Abstract: Polymeric cationic dyes wherein the same or different monomer components represented by the following formula (1) are linked at the terminal amino groups by a crosslinking agent:H.sub.2 N--A--CH.dbd.CH--B (1)in which A represents a substituted or unsubstituted benzene ring and B represents the radical of a quaternized methylene active compound. The dyes are used in particular for dyeing paper.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: June 30, 1992
    Assignee: Nippon Chemical Works Co., Ltd.
    Inventor: Koichi Taniguchi
  • Patent number: 5096459
    Abstract: Aromatic polyamide fibers, which have been dried and/or crystallized, are steam dyed with a water-soluble dye padded onto the surface of fibers, along with a small amount of a carrier.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: March 17, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Hamid M. Ghorashi
  • Patent number: 5077396
    Abstract: Compounds of the formula ##STR1## wherein each A is independently linear or branched C.sub.2-6 alkylene or linear or branched C.sub.3-6 alkylene substituted by hydroxy,each D is independently the radical of a diazo component of the benzene, azobenzene or naphthalene series, E is a divalent radical attached to each --N.sup..sym. R.sub.3 R.sub.4 -- radical through an aliphatic carbon atom,each R.sub.1 is independently hydrogen, C.sub.1-4 alkyl, cyclohexyl, phenyl or phenyl(C.sub.1-2 alkyl),each R.sub.2 is independently hydrogen, cyano, --COOR.sub.5, --CONR.sub.6 R.sub.7 or ##STR2## wherein R.sub.5 is hydrogen, C.sub.1-4 alkyl or phenyl(C.sub.1-2 alkyl),each of R.sub.6 and R.sub.7 is independently hydrogen or C.sub.1-4 alkyl,each R.sub.8 is independently C.sub.1-4 alkyl, and r is 0, 1, 2 or 3,each R.sub.3 is independently C.sub.1-4 alkyl or C.sub.1-4 alkyl monosubstituted by halo, cyano, hydroxy or phenyl,each R.sub.4 is independently hydrogen, C.sub.1-4 alkyl or C.sub.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: December 31, 1991
    Assignee: Sandoz Ltd.
    Inventors: Helmut A. Moser, Roland Wald