Triazines Patents (Class 252/301.23)
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Patent number: 11186569Abstract: The invention relates to an optical brightener for whitening and brightening of paper, board, textiles and non-wovens, a process for manufacturing said optical brightener, the use of said brightener in paper making processes and a process for whitening paper.Type: GrantFiled: December 14, 2018Date of Patent: November 30, 2021Assignee: Archroma IP GmbHInventors: Cristina Dominguez, Andrew Jackson, David Atkinson, Meral Ilhan, Marc Bukowski
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Patent number: 11060945Abstract: A sealing element that visually indicates when a sealing element has been opened or corrupted without destruction of the seal. Ultraviolet light passes through a scattering layer and is absorbed by a fluorescing layer, the fluorescing layer reemitting the light in the visual spectrum and thereby allowing a user to inspect the integrity of the sealing element without otherwise destroying the seal.Type: GrantFiled: May 22, 2018Date of Patent: July 13, 2021Assignee: PAXXUS, Inc.Inventor: Doug Dodrill
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Patent number: 10790449Abstract: Provided are an organic EL device having a high emission efficiency, a material for organic EL devices, which is capable of realizing the same, and the like. More specifically, provided are a compound represented by the following formula (1), a material for organic electroluminescence devices, which contains the compound, an organic electroluminescence device using the compound, and an electronic equipment provided with the organic electroluminescence device: wherein Ar represents a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, or a group formed by a combination of these groups, and W to R9 each independently represent a hydrogen atom or a substituent, provided that any pair of R2 and R3, R3 and R4, R4 and R5, R6 and R7, R7 and R8, and R8 and R9 are optionally bonded to each other to form a benzene ring.Type: GrantFiled: June 14, 2016Date of Patent: September 29, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tasuku Haketa, Masahiro Kawamura, Yumiko Mizuki, Yoichi Ikeda
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Patent number: 9809713Abstract: The invention describes novel compositions of crosslinkers that include at least two pendent photoactivatable groups, such as benzophenone moieties, and an initiator, such as acetophenone.Type: GrantFiled: September 3, 2009Date of Patent: November 7, 2017Assignee: INNOVATION SURFACE TECHNOLOGIES, INC.Inventors: Timothy A. Bloomquist, Mark W. Josephson, Laurie R. Lawin, Kristin S. Taton, Jie Wen
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Patent number: 9640766Abstract: The present specification relates to an organic light emitting diode having high light emitting efficiency.Type: GrantFiled: April 2, 2015Date of Patent: May 2, 2017Assignee: LG CHEM, LTD.Inventors: Boonjae Jang, Dong Hoon Lee, Jungoh Huh, Minyoung Kang, Dong Uk Heo, Miyeon Han, Min Woo Jung, Wooyung Jung
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Publication number: 20150123037Abstract: A new fluorescent whitening agent (FWA) formulation containing 0.1%-99.9% fluorescent brightener #351 (FB #351) 4,4?-bis(2-sulfostyryl)biphenyl disodium salt (CAS #27344-41-8) and 0.1%-99.9% fluorescent brightener #71 (FB #71) 4,4?-bis[4-anilino-6-morpholino-1,3,5-triazin-2-yl]amino-2,2?-stilbene disodium salt (CAS #16090-02-1) is used on the wet-end papermaking process and coating papermaking process to increase the brightness of paper.Type: ApplicationFiled: November 6, 2013Publication date: May 7, 2015Inventors: Meng Jun Li, Eric Ji Wei Li
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Patent number: 8894815Abstract: The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4?-diaminostilbene-2,2?-disulphonic acid and of organic acids which do not need extra solubilizing additives.Type: GrantFiled: December 9, 2008Date of Patent: November 25, 2014Assignee: Clariant Finance (BVI) LimitedInventors: John Martin Farrar, Andrew Clive Jackson, Margaret Mahon, Martin Oberholzer
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Patent number: 8845861Abstract: A sizing composition for paper, characterised in that the sizing composition comprises (a) at least one optical brightener of formula (1), (b) a magnesium salt; and (c) a binding agent, which is selected from the group consisting of native starch, enzymatically modified starch and chemically modified starch; 0.1 to 15 parts of component (b) being present per part of component (a).Type: GrantFiled: March 12, 2009Date of Patent: September 30, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Andrew Clive Jackson, David Puddiphatt, Cédric Klein
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Publication number: 20140252262Abstract: The present invention relates to whitening compositions, processes for obtaining such compositions, stable aqueous solutions of such compositions and the use of such compositions for whitening of textile fibers, paper and in detergency.Type: ApplicationFiled: October 25, 2012Publication date: September 11, 2014Inventors: Ferruccio Berte', Marco Brena, Massimo Fabbi, Francesco Maestri
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Publication number: 20140250605Abstract: Disclosed are compositions containing: a) 25-60% by weight of compound of formula (I) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; up to 50% by weight of water.Type: ApplicationFiled: March 15, 2013Publication date: September 11, 2014Applicant: 3V SIGMA S.P.A.Inventors: Carlo SECCOMANDI, Ivan BALESTRA, Paolo ALIOLI
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Patent number: 8821688Abstract: The instant invention relates to mixed salts of optical brighteners of formula (1), wherein M represents a mixture of Mg2+ with another cation, which provide for superior optical brightening effects when applied to the surface of paper.Type: GrantFiled: March 12, 2009Date of Patent: September 2, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Andrew Clive Jackson, David Puddiphatt, Cédric Klein
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Publication number: 20140203212Abstract: The present invention relates to a composition comprising a fluorescent whitening agent and a tertiary alkanolamine, a stable aqueous solution of such a composition and use of such composition for the bleaching of textile fibres or paper.Type: ApplicationFiled: July 27, 2012Publication date: July 24, 2014Applicant: 3V Sigma S.p.AInventors: Ferruccio Berte', Paolo Alioli, Marco Brena
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Patent number: 8784612Abstract: The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4?-diaminostilbene-2,2?-disulphonic acid and of organic acids which do not need extra solubilizing additives.Type: GrantFiled: December 9, 2008Date of Patent: July 22, 2014Assignee: Clariant Finance (BVI) LimitedInventors: John Martin Farrar, Andrew Clive Jackson, Margaret Mahon, Martin Oberholzer
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Patent number: 8608907Abstract: A composition suitable for paper brightening, wherein the composition contains one or more specified fluorescent whitening agents with taurine groups. The composition is used for whitening paper, in particular at the wet-end, in the size press or by coating.Type: GrantFiled: June 10, 2009Date of Patent: December 17, 2013Assignee: Blankophor GmbH & Co. KGInventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Günter Klug
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Publication number: 20130126117Abstract: The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with a combination of specific terminal groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.Type: ApplicationFiled: July 14, 2011Publication date: May 23, 2013Applicant: BLANKOPHOR GMBH & CO. KGInventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Gunter Klug
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Patent number: 8444879Abstract: Disclosed are triazine derivatives of formula wherein X1 is a bivalent radical of formula A and A? independently from each other are unsubstituted or substituted, straight-chain or branched C1-C12alkylene, which is optionally interrupted by C5-C12cycloalkylene, N, O or S; C5-C12cycloalkylene; biphenylene; C6-C10arylene; or C5-C10arylene-(C1-C12alkylene); R1 is a radical of formula R2 and R3 independently from each other are hydrogen; C1-C12alkyl; OR7; NR7R8; C6-C10aryl; X2 is O, or NH; W1 is C1-C20alkyl; or a group Sp-Sil; Sp is a straight-chain or branched saturated or single or multiple unsaturated C3-C12 hydrocarbon; Sil is a silane; an oligosiloxane; or a polysiloxane moiety; and R4, R5 R6, R7, R8 and R9 independently from each other are hydrogen; C1-C12alkyl; or C3-C12cycloalkyl.Type: GrantFiled: May 2, 2007Date of Patent: May 21, 2013Assignee: BASF SEInventors: Thomas Ehlis, Elek Borsos
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Patent number: 8354041Abstract: A composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.Type: GrantFiled: June 10, 2009Date of Patent: January 15, 2013Assignee: Blankophor GmbH & Co. KGInventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Günter Klug
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Publication number: 20120238171Abstract: Concentrated storage stable aqueous solutions (S) comprising components (a), (b) and (c), wherein component (a) is at least one optical brightening agent of formula (1), in which the anionic charge on the brightener is balanced by a cationic charge composed of one or more cations selected from the group consisting of hydrogen, alkali metal cation, alkaline earth metal cation, ammonium, ammonium which is mono-, di- or trisubstituted by a C1-4 linear or branched alkyl radical and ammonium which is mono-, di- or trisubstituted by a C1-4 linear or branched hydroxyalkyl radical, and the concentration of component (a) is 0.08 to 0.Type: ApplicationFiled: December 1, 2010Publication date: September 20, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Cedric Klein, Frederic Reveaud, David Puddiphatt, Andrew Clive Jackson
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Publication number: 20120214011Abstract: Disulfo-type fluorescent whitening agents for optically brightening coating slips contain a synthetic binder and a different synthetic co-binder. In addition, a coating slip and its use for preparing coated papers are disclosed.Type: ApplicationFiled: September 17, 2010Publication date: August 23, 2012Applicant: BLANKOPHOR GMBH & CO. KGInventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Guenter Klug
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Patent number: 8053573Abstract: The invention relates to the use of 5,6-diphenyl-1,2,4-triazinic compounds of general formula (I), wherein cycle penetrating bonds display an ortho, meta or para indifferent substitution position, identical or different R1 and R2 represent a hydrogen, fluoride, chloride or bromine atom, C1 to C12 linear or branched alkyl, C1 A C18 linear or branched hydroxy, alkoxy poly(ethoxy)-alkoxy with a C1 to C4 alkyl fragment and an ethoxy number ranging from 1 to 4, amino or mono or di-alkylamino with a C1 to C4 alkyl fragment group, R3 represents a chlorine atom, a hydroxy, amino, a phenyl possibly 1 to 3 times substituted by a hydroxy radical situated at least in a para or phenyl position possibly 1 to 3 times substituted in an ortho, meta or para position by a C1 to C12 alkoxy or cyano or alkymino group with a C1 to C7 alkyl fragment in the form of active sun filters or light-protective agents and to cosmetic composition containing said compounds.Type: GrantFiled: May 4, 2005Date of Patent: November 8, 2011Assignee: Pierre Fabre Dermo-CosmetiqueInventors: Jérôme Rey, Pascal Bordat, Roger Tarroux
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Publication number: 20110253331Abstract: The present invention relates to a mixture comprising at least one fluorescent whitening agent and at least one chelating agent, a composition for the surface treatment of paper or cardboard comprising said mixture, a process for the treatment of paper or cardboard by means of said composition and paper or cardboard obtainable through said process.Type: ApplicationFiled: April 12, 2011Publication date: October 20, 2011Applicant: 3V Sigma S.p.A.Inventors: Paolo ALIOLI, Ludwig Haas, Marco Petri
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Patent number: 8021573Abstract: The present invention provides a near-infrared-absorbing material including: a luminescent agent, and a near-infrared-absorbing compound obtained by oxidizing a compound represented by the following formula (II): wherein R211, R212, R221, R222, R231, R232, R241 and R242 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R203, R213, R223, R233 and R243 each independently represent a substituent group; and n203, n213, n223, n233 and n243 each independently represent an integer from 0 to 4.Type: GrantFiled: August 27, 2007Date of Patent: September 20, 2011Assignee: FUJIFILM CorporationInventors: Keizo Kimura, Katsuyoshi Yamakawa, Osamu Uchida
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Patent number: 8017769Abstract: Benzazole substituted aminobenzenesulfonate derivatives of formula (A) (wherein X, Q and M are as defined in the specification) are useful as components of water-soluble fluorescent inks and dyes invisible in day-light. Novel intermediates for the above compounds are also disclosed.Type: GrantFiled: July 26, 2006Date of Patent: September 13, 2011Inventors: Boris Markovich Bolotin, Yevgeniy Alexeyevich Birgen, Maria Leonardovna Kukushkina, Yelena Viktorovna Yakovleva
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Patent number: 7993747Abstract: A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.Type: GrantFiled: May 11, 2007Date of Patent: August 9, 2011Assignee: Nitto Denko CorporationInventors: Amane Mochizuki, Jesse Dan Froehlich, Sheng Li, Toshitaka Nakamura, Robin Irene Young, Ghassan E. Jabbour, Michael E. Lauters
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Patent number: 7989619Abstract: The invention describes novel compositions that include a cross linking compound, a polymer and a 1 nm to about a 25 micron sized particle optionally with an oxide layer. In particular, the particle is a silica and one which has been pretreated with a silane.Type: GrantFiled: July 13, 2006Date of Patent: August 2, 2011Assignee: Innovative Surface Technoloiges, Inc.Inventors: Patrick Guire, Kristin Taton, Jie Wen, Laurie R. Lawin
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Publication number: 20110126996Abstract: The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.Type: ApplicationFiled: June 10, 2009Publication date: June 2, 2011Applicant: BLANKOPHOR GMBH & CO. KGInventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Gunter Klug
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Patent number: 7863236Abstract: The present invention provides a detergent composition D comprising at least one compound of formula (1) together with at least one compound of formula (2) wherein all substituents have the meanings as defined in the claims; as well as a process using such detergent composition and mixtures comprising fluorescent whitening agents.Type: GrantFiled: March 15, 2004Date of Patent: January 4, 2011Assignee: Ciba Specialty Chemicals Corp.Inventors: Jürgen Kaschig, Robert Hochberg, Oliver Becherer, Gerhard Merkle, Monika Schaumann, Bernard Schultz
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Publication number: 20100276636Abstract: Process for the preparation of a brightener pigment comprising (a) a water-insoluble urea-formaldehyde resin having a water content of more than or equal to 50% by weight, and (b) a water-soluble fluorescent whitening agent, which process comprises adding together (a), (b) and an inorganic salt, the amount of the inorganic salt being sufficient to effect deposition of the water-soluble fluorescent whitening agent (b) on the water-insoluble urea-formaldehyde resin (a).Type: ApplicationFiled: July 16, 2010Publication date: November 4, 2010Inventors: Robert Hochberg, Oliver Becherer, Gerhard Merkle
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Patent number: 7816520Abstract: The invention relates to 5,6-diphenyl-1,2,4-triazinic compounds of general formula (I), wherein identical or different R1, R2, R3 and R4 represent a hydrogen, fluoride, chloride or bromine atom, C1 to C12 linear or branched alkyl, C1 A C18 linear or branched hydroxy, alkoxy poly(ethoxy)-alkoxy with a C1 to C4 alkyl fragment and an ethoxy number ranging from 1 to 4, amino or mono or di-alkylamino with a C1 to C4 alkyl fragment group, X is ortho-, meta- or paraphenylene, 4,4?-biphenylene, 2,4- or 2,6- or 3,4- or 3,5-pyridinylene, 2,2?-bipyridinylene, meta- or paraphenylenediamino, ethylenediamine, 2,2?-piperazinylene, diacyl of formula -(R4CO)2-, wherein r represents a phenyl radical, a 3 to 10 carbon, phenanthrene or anthracene atoms alkyl chain except 1,4-bis(5,6-diphenyl-1,2,4-triazin-3-yl)benzene of 2,4-bis(5,6-diphenyl-1,2,4-triazin-3-yl)pyridine and of 2,6-bis(5,6-diphenyl-1,2,4-triazin-3-yl)pyridine, to cosmetic compositions containing said compounds and to the use thereof in the form of sun filters or lType: GrantFiled: May 4, 2005Date of Patent: October 19, 2010Assignees: Pierre Fabre Dermo-Cosmetique, Centre National de la Recherche Scientifique (CNRS), Universite Claude Bernard Lyon 1Inventors: Willy Picoul, Marco Ciufolini, Pascal Bordat, Roger Tarroux
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Publication number: 20100261027Abstract: The present invention relates to a coating composition for paper and cardboard comprising at least one white pigment, at least one polymeric ligand and at least one synthetic or natural co-ligand, and a mixture of optical whiteners.Type: ApplicationFiled: March 8, 2010Publication date: October 14, 2010Applicant: 3V SIGMA S.P.AInventors: Maria Gabriella COCCIA, Massimo MAGNONI, Paolo ALIOLI
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Patent number: 7772393Abstract: The invention describes novel crosslinking compounds that include photoactivatable moieties. Several families of compounds are disclosed that can include one or more hydrophilic moieties that help to solubilize the compounds in aqueous environments.Type: GrantFiled: June 12, 2006Date of Patent: August 10, 2010Assignee: Innovative Surface Technologies, Inc.Inventors: Patrick Guire, Kristin Taton, Jie Wen
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Publication number: 20100181536Abstract: The instant invention relates to storage stable aqueous optical brightener/PVOH solutions of low viscosity which may be used directly by the papermaker, in that they can be metered by pump directly into a coating composition, and which provide coated papers of a surprisingly high whitenessType: ApplicationFiled: July 31, 2007Publication date: July 22, 2010Applicant: Clariant Finance (BVI) LimitedInventors: Mariela Gauto, Andrew Clive Jackson, Alec Stewart Tindal
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Patent number: 7749617Abstract: The present invention provides a novel organic compound capable of simultaneously emitting fluorescence and phosphorescence. The organic compound according to the present invention is an organic compound consisting of only elemental hydrogen and at least two kinds of elements selected from the group consisting of elements belonging to the thirteenth group to the seventeenth group of the second period to the fifth period of the periodic table, and being capable of simultaneously emitting fluorescence and phosphorescence at a temperature of from ?30° C. or more and 100° C. or less.Type: GrantFiled: September 2, 2005Date of Patent: July 6, 2010Assignee: Canon Kabushiki KaishaInventors: Koichi Suzuki, Kazunori Ueno, Akira Tsuboyama, Seiichi Yogi
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Patent number: 7731820Abstract: The invention relates to a composition comprising a) at least one water-soluble fluorescent whitening agent, b) a polymer formed from an ethylenically unsaturated monomer or monomer blend, characterized in that at least one monomer is acrylamide and the water-soluble polymer has an average (weight average) molecular weight of between 500 and 49,000, optionally, c) polyethylene glycol with a weight average molecular weight of between 500 and 6000 and d) water and the use of the composition for the fluorescent whitening of paper in coating and size press or film press applications.Type: GrantFiled: October 17, 2005Date of Patent: June 8, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Robert Cockcroft, Ted Deisenroth, Peter Rohringer, Winfried Steffen
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Patent number: 7638626Abstract: The present invention relates to highly compatible hydroxyphenyltriazine UV-absorbers and to their use in protecting plants in green houses and the protection of foodstuffs, beverages, pharmaceuticals, cosmetics, personal care products, shampoos and the like from the deleterious effects of ultraviolet radiation. It has been found that certain highly compatible tris-aryl-s-triazines are especially effective towards this end when incorporated in the containers or films in which such materials are stored.Type: GrantFiled: September 27, 2007Date of Patent: December 29, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Dario Lazzari, David George Leppard, Massimiliano Sala, Manuele Vitali, Graziano Zagnoni, Gianluca Ferri
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Patent number: 7608168Abstract: A process for whitening paper in a size press includes contacting a cellulose sheet with a size press liquor that contains a surface size and a particular whitener containing sulfonate groups and cations, M, wherein at least 10% of all cations M have the formula in which R5 to R7, independently of one another, denote hydrogen, a C1-C4-alkyl radical or an optionally further substituted C2-C4-hydroxyalkyl radical, and R8 denotes an optionally further substituted C2-C4-hydroxyalkyl radical. The process provides superior paper whitening compared to a corresponding process in which the whitener cations are all sodium or potassium ions.Type: GrantFiled: July 22, 2005Date of Patent: October 27, 2009Assignee: Kemira OyjInventors: Heinz Giesecke, Bernhard Hunke
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Patent number: 7531107Abstract: Compositions comprising (A) a total of from 2 to 30% by weight, based on the total composition (A)+(B), of one or more amino alcohols of formula (1) herein R1, R2, R3 and R4 are each independently of the others hydrogen, 1-C12alkyl,C5-C24aryl or C6-C36aralkyl, and R5 and R6 are each independently of the other hydrogen or C1-C4alkyl; and (B) from 70 to 98% by weight, based on the total composition (A)+(B), of a fluorescent whitening agent of formula (2) herein X is hydrogen, an alkali metal ion, an ammonium ion or a hydroxyalkylammonium radical derived from the amino alcohol of formula (1), and R7, R8, R9 and R10 are each independently of the others —OR11, —NR11R12 or a group of formula (3) wherein R11, and R12 are each independently of the other hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, carboxyalkyl, H2N—CO-alkyl or alkylthio, are distinguished by high solubility in water and by high storage stability of the aqueous solutions.Type: GrantFiled: September 10, 2004Date of Patent: May 12, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Rainer Hans Traber, Ted Deisenroth, Sandra Galle, Helena Dbaly
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Patent number: 7332105Abstract: A stabilizer composition comprising (A) a compound of the formula (I) wherein R is (CH2—CH2—O—)n, —R2; —CH2—CH(OH)—CH2—O—R2; or —CH(R3)—CO—O—R4; n is 0 or 1; R2 is C1-C13alkyl or C2C20alkenyl or C6-C12aryl or CO—C1-C18alkyl; R3 is H or C1-C8 alkyl; R4 is C1-C12alkyl or C2-C12alkenyl or C5C6cycloalkyl; and (B) one or more compounds selected from benzotriazoles of the formula (IIa), 2-hydroxybenzophenones of the formula (IIb), oxalanilides of the formula (IIc), 2-hydroxyphenyltriazines of formula (IId), cinnamates of formula (IIe), and benzoates of formula (IIf) as defined in claim 1, is especially effective towards stabilizing organic materials against degradation induced by light, heat or oxidation.Type: GrantFiled: September 23, 2003Date of Patent: February 19, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Adalbert Braig, David George Leppard, Frédérique Wendeborn
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Patent number: 7294714Abstract: The present invention relates to highly compatible hydroxyphenyltriazine UV-absorbers and to their use in protecting plants in green houses and the protection of foodstuffs, beverages, pharmaceuticals, cosmetics, personal care products, shampoos and the like from the deleterious effects of ultraviolet radiation. It has been found that certain highly compatible tris-aryl-s-triazines are especially effective towards this end when incorporated in the containers or films in which such materials are stored.Type: GrantFiled: September 22, 2006Date of Patent: November 13, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Dario Lazzari, David George Leppard, Massimiliano Sala, Manuele Vitali, Graziano Zagnoni, Gianluca Ferri
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Patent number: 7270771Abstract: The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, novel asymmetrically substituted derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.Type: GrantFiled: June 24, 2003Date of Patent: September 18, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Fabienne Cuesta, Georges Metzger, Roland Naef, Peter Rohringer, Rainer Hans Traber
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Patent number: 7208597Abstract: Triazine derivatives of formula (1) wherein R1 is C1–C20alkyl; C3–C7cycloalkyl; or C1–C20perfluoroalkyl; R2 is hydrogen; C1–C20alkyl; or C3–C7cycloalkyl; and R3 is hydrogen; C1–C20alkyl; C3–C7cycloalky; C1–C20perfluoroalky; C1C20alkyl-carbonyl; C3–C7cycloalkyl-carbonyl; C1–C20perfluoroalkyl-carbonyl; or phenylcarbonyl; are described. The compounds exhibit pronounced action against gram-positive and gram-negative bacteria and also against yeasts and moulds.Type: GrantFiled: July 22, 2003Date of Patent: April 24, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Werner Hölzl, Gabriele Eichacker, Andrea Preuss
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Patent number: 7198731Abstract: The present invention relates to the use of compounds of formula (I) wherein all substituents are as defined in the claims as optical brighteners as well as to new mixtures of optical brighteners.Type: GrantFiled: November 18, 2002Date of Patent: April 3, 2007Assignee: Clariant Finance (BVI) LimitedInventor: Andrew Clive Jackson
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Patent number: 7060201Abstract: Optical brighteners (PAB) of formula wherein each n independently signifies 1 or 2, the group SO3M shown with the floating bond is linked to the position 4 or 5, each M independently signifies an equivalent of a non-chromophoric cation, each M? independently signifies hydrogen or M, at least a part of the cations M of (PAB) are cationic groups of a polycationic polyol/epichlorohydrin/amine polymer (PA), which contains quaternary ammonium groups in salt form as heteroatomic ring members or chain members, any others being cations selected from alkali metal cations, unsubstituted ammonium and ammonium substituted with C1-3-alkyl or/and C2-3-hydroxyalkyl, the polycationic polymer (PA) is a polymer which is at least in part crosslinked over one or more of its quaternary ammonium groups, any other counterions to the cationic groups of (PA) being non-chromophoric anions of low molecular acids, and the ratio of the total anionic groups in the anionic optical brightener portion of (PAB) to the total of cationiType: GrantFiled: October 18, 2002Date of Patent: June 13, 2006Assignee: Clariant Finance (BVI) LimitedInventor: John Martin Farrar
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Patent number: 7019134Abstract: Water soluble, amphoteric optical brighteners (W) comprising at least one brightener-characteristic radical X which contain at least one anionic substituent and covalently linked over at least one tertiary amino group Z to at least one non-chromophoric, essentially aliphatic, polyquaternary ammonium-hydrocarbon radical Y containing more than one quaternary ammonium group and in which each hydrocarbon radical is optionally interrupted by and/or substituted with one or more further heteroatoms, have surprising brightening properties, especially in papermaking, and in the form of their aqueous solutions are of notable stability.Type: GrantFiled: December 19, 2000Date of Patent: March 28, 2006Assignee: Clariant Finance (BVI) LimitedInventors: John Martin Farrar, Andrew Clive Jackson
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Patent number: 6919452Abstract: The following 4,4?-bis(1,3,5-triazinylamino)stilbene-2,2?-disulfonic acid derivative is well soluble in water: in which each of R11 and R12 is hydrogen, or a specifically substituted or unsubstituted alkyl group; each of R21 and R22 is hydrogen, a specifically substituted or unsubstituted alkyl group, a specifically substituted or unsubstituted aryl group; M is hydrogen, alkali metal, alkaline earth metal, ammonium, or pyridinium.Type: GrantFiled: October 3, 2000Date of Patent: July 19, 2005Assignee: Fuji Photo Film Co., LTDInventors: Keizo Kimura, Yoshiharu Yabuki, Yasufumi Nakai
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Patent number: 6890454Abstract: The invention relates to an optical brightener mixture (W) comprising optical brighteners (A) of formula (Ia), and (B) of formula (Ib) and optionally (C) of formula (Ic) as defined herein, their concentrated aqueous solutions (S), their production and their use.Type: GrantFiled: January 8, 2002Date of Patent: May 10, 2005Assignee: Clariant Finance (BVI) LimitedInventors: John Martin Farrar, Andrew Clive Jackson, Alec Stewart Tindal
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Publication number: 20040237846Abstract: Optical brighteners (PAB) of formula 1Type: ApplicationFiled: April 16, 2004Publication date: December 2, 2004Inventor: John Martin Farrar
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Patent number: 6821643Abstract: An electroluminescent device comprised of an anode and a cathode, and situated therebetween said anode and said cathode at least one electron transport layer comprised of a triazine of the formula wherein A is a monovalent or a multi-valent aromatic group which contains at least two conjugate-linked or at least two fused aromatic rings; Ar1 and Ar2 are each independently aryl or aliphatic; and m represents the number of repeating segments.Type: GrantFiled: January 21, 2000Date of Patent: November 23, 2004Assignee: Xerox CorporationInventors: Nan-Xing Hu, Mohammad Esteghamatian, Zoran D. Popovic, Beng S. Ong, Ah-Mee Hor
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Publication number: 20040074021Abstract: The invention relates to an optical brightener mixture (W) comprising optical brighteners (A) of formula (Ia), and (B) of formula (Ib) and optionally (C) of formula (Ic) as defined herein, their concentrated aqueous solutions (S), their production and their use.Type: ApplicationFiled: June 25, 2003Publication date: April 22, 2004Inventors: John Martin Farrar, Andrew Clive Jackson, Alec Stewart Tindal
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Patent number: 6723846Abstract: The present invention relates to compounds having formula (1): wherein each R1 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-hydroxy- or alkoxy-alkoxy, —OCOM, —OCOC1-C4-alkyl, or an amino acid residue from which a hydrogen atom on the amino group has been removed; each R2 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-hydroxy- or alkoxy-alkoxy, —OCOM, —OCOC1-C4-alkyl, —CO2M, CO2C1-C4-alkyl SO3M or phenoxy which is unsubstituted or substituted by halogen, C1-C4-alkyl or C1-C4-alkoxy, —CO2M or CO2C1-C4-alkyl, NH3 or mono- or disubstituted amino; or phenyl which is unsubstituted or substituted by 1 to 3 SO3M, SO2NHC1-C4-alkyl, —SO2NH2, —CO2M, —CO2M, —CO2C1-C4-alkyl, —CONH2, —CONHC1-C4-alkyl, —NHCOC1-C4-alkyl or mono- or disubstituted amino groups;Type: GrantFiled: March 6, 2002Date of Patent: April 20, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Georges Metzger, Serge Hauger, Fabienne Cuesta, Christophe Bulliard, Peter Rohringer, Marc Roger Grienenberger