Triazines Patents (Class 252/301.23)
  • Patent number: 11186569
    Abstract: 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: Grant
    Filed: December 14, 2018
    Date of Patent: November 30, 2021
    Assignee: Archroma IP GmbH
    Inventors: Cristina Dominguez, Andrew Jackson, David Atkinson, Meral Ilhan, Marc Bukowski
  • Patent number: 11060945
    Abstract: 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: Grant
    Filed: May 22, 2018
    Date of Patent: July 13, 2021
    Assignee: PAXXUS, Inc.
    Inventor: Doug Dodrill
  • Patent number: 10790449
    Abstract: 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: Grant
    Filed: June 14, 2016
    Date of Patent: September 29, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Masahiro Kawamura, Yumiko Mizuki, Yoichi Ikeda
  • Patent number: 9809713
    Abstract: 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: Grant
    Filed: September 3, 2009
    Date of Patent: November 7, 2017
    Assignee: INNOVATION SURFACE TECHNOLOGIES, INC.
    Inventors: Timothy A. Bloomquist, Mark W. Josephson, Laurie R. Lawin, Kristin S. Taton, Jie Wen
  • Patent number: 9640766
    Abstract: The present specification relates to an organic light emitting diode having high light emitting efficiency.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 2, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Jungoh Huh, Minyoung Kang, Dong Uk Heo, Miyeon Han, Min Woo Jung, Wooyung Jung
  • Publication number: 20150123037
    Abstract: 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: Application
    Filed: November 6, 2013
    Publication date: May 7, 2015
    Inventors: Meng Jun Li, Eric Ji Wei Li
  • Patent number: 8894815
    Abstract: 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: Grant
    Filed: December 9, 2008
    Date of Patent: November 25, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: John Martin Farrar, Andrew Clive Jackson, Margaret Mahon, Martin Oberholzer
  • Patent number: 8845861
    Abstract: 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: Grant
    Filed: March 12, 2009
    Date of Patent: September 30, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Andrew Clive Jackson, David Puddiphatt, Cédric Klein
  • Publication number: 20140252262
    Abstract: 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: Application
    Filed: October 25, 2012
    Publication date: September 11, 2014
    Inventors: Ferruccio Berte', Marco Brena, Massimo Fabbi, Francesco Maestri
  • Publication number: 20140250605
    Abstract: 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: Application
    Filed: March 15, 2013
    Publication date: September 11, 2014
    Applicant: 3V SIGMA S.P.A.
    Inventors: Carlo SECCOMANDI, Ivan BALESTRA, Paolo ALIOLI
  • Patent number: 8821688
    Abstract: 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: Grant
    Filed: March 12, 2009
    Date of Patent: September 2, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Andrew Clive Jackson, David Puddiphatt, Cédric Klein
  • Publication number: 20140203212
    Abstract: 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: Application
    Filed: July 27, 2012
    Publication date: July 24, 2014
    Applicant: 3V Sigma S.p.A
    Inventors: Ferruccio Berte', Paolo Alioli, Marco Brena
  • Patent number: 8784612
    Abstract: 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: Grant
    Filed: December 9, 2008
    Date of Patent: July 22, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: John Martin Farrar, Andrew Clive Jackson, Margaret Mahon, Martin Oberholzer
  • Patent number: 8608907
    Abstract: 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: Grant
    Filed: June 10, 2009
    Date of Patent: December 17, 2013
    Assignee: Blankophor GmbH & Co. KG
    Inventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Günter Klug
  • Publication number: 20130126117
    Abstract: 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: Application
    Filed: July 14, 2011
    Publication date: May 23, 2013
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Gunter Klug
  • Patent number: 8444879
    Abstract: 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: Grant
    Filed: May 2, 2007
    Date of Patent: May 21, 2013
    Assignee: BASF SE
    Inventors: Thomas Ehlis, Elek Borsos
  • Patent number: 8354041
    Abstract: 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: Grant
    Filed: June 10, 2009
    Date of Patent: January 15, 2013
    Assignee: Blankophor GmbH & Co. KG
    Inventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Günter Klug
  • Publication number: 20120238171
    Abstract: 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: Application
    Filed: December 1, 2010
    Publication date: September 20, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Cedric Klein, Frederic Reveaud, David Puddiphatt, Andrew Clive Jackson
  • Publication number: 20120214011
    Abstract: 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: Application
    Filed: September 17, 2010
    Publication date: August 23, 2012
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Guenter Klug
  • Patent number: 8053573
    Abstract: 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: Grant
    Filed: May 4, 2005
    Date of Patent: November 8, 2011
    Assignee: Pierre Fabre Dermo-Cosmetique
    Inventors: Jérôme Rey, Pascal Bordat, Roger Tarroux
  • Publication number: 20110253331
    Abstract: 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: Application
    Filed: April 12, 2011
    Publication date: October 20, 2011
    Applicant: 3V Sigma S.p.A.
    Inventors: Paolo ALIOLI, Ludwig Haas, Marco Petri
  • Patent number: 8021573
    Abstract: 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: Grant
    Filed: August 27, 2007
    Date of Patent: September 20, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Keizo Kimura, Katsuyoshi Yamakawa, Osamu Uchida
  • Patent number: 8017769
    Abstract: 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: Grant
    Filed: July 26, 2006
    Date of Patent: September 13, 2011
    Inventors: Boris Markovich Bolotin, Yevgeniy Alexeyevich Birgen, Maria Leonardovna Kukushkina, Yelena Viktorovna Yakovleva
  • Patent number: 7993747
    Abstract: 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: Grant
    Filed: May 11, 2007
    Date of Patent: August 9, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Jesse Dan Froehlich, Sheng Li, Toshitaka Nakamura, Robin Irene Young, Ghassan E. Jabbour, Michael E. Lauters
  • Patent number: 7989619
    Abstract: 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: Grant
    Filed: July 13, 2006
    Date of Patent: August 2, 2011
    Assignee: Innovative Surface Technoloiges, Inc.
    Inventors: Patrick Guire, Kristin Taton, Jie Wen, Laurie R. Lawin
  • Publication number: 20110126996
    Abstract: 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: Application
    Filed: June 10, 2009
    Publication date: June 2, 2011
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Gunter Klug
  • Patent number: 7863236
    Abstract: 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: Grant
    Filed: March 15, 2004
    Date of Patent: January 4, 2011
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Jürgen Kaschig, Robert Hochberg, Oliver Becherer, Gerhard Merkle, Monika Schaumann, Bernard Schultz
  • Publication number: 20100276636
    Abstract: 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: Application
    Filed: July 16, 2010
    Publication date: November 4, 2010
    Inventors: Robert Hochberg, Oliver Becherer, Gerhard Merkle
  • Patent number: 7816520
    Abstract: 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 l
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: October 19, 2010
    Assignees: Pierre Fabre Dermo-Cosmetique, Centre National de la Recherche Scientifique (CNRS), Universite Claude Bernard Lyon 1
    Inventors: Willy Picoul, Marco Ciufolini, Pascal Bordat, Roger Tarroux
  • Publication number: 20100261027
    Abstract: 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: Application
    Filed: March 8, 2010
    Publication date: October 14, 2010
    Applicant: 3V SIGMA S.P.A
    Inventors: Maria Gabriella COCCIA, Massimo MAGNONI, Paolo ALIOLI
  • Patent number: 7772393
    Abstract: 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: Grant
    Filed: June 12, 2006
    Date of Patent: August 10, 2010
    Assignee: Innovative Surface Technologies, Inc.
    Inventors: Patrick Guire, Kristin Taton, Jie Wen
  • Publication number: 20100181536
    Abstract: 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 whiteness
    Type: Application
    Filed: July 31, 2007
    Publication date: July 22, 2010
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Mariela Gauto, Andrew Clive Jackson, Alec Stewart Tindal
  • Patent number: 7749617
    Abstract: 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: Grant
    Filed: September 2, 2005
    Date of Patent: July 6, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Suzuki, Kazunori Ueno, Akira Tsuboyama, Seiichi Yogi
  • Patent number: 7731820
    Abstract: 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: Grant
    Filed: October 17, 2005
    Date of Patent: June 8, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Robert Cockcroft, Ted Deisenroth, Peter Rohringer, Winfried Steffen
  • Patent number: 7638626
    Abstract: 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: Grant
    Filed: September 27, 2007
    Date of Patent: December 29, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dario Lazzari, David George Leppard, Massimiliano Sala, Manuele Vitali, Graziano Zagnoni, Gianluca Ferri
  • Patent number: 7608168
    Abstract: 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: Grant
    Filed: July 22, 2005
    Date of Patent: October 27, 2009
    Assignee: Kemira Oyj
    Inventors: Heinz Giesecke, Bernhard Hunke
  • Patent number: 7531107
    Abstract: 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: Grant
    Filed: September 10, 2004
    Date of Patent: May 12, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rainer Hans Traber, Ted Deisenroth, Sandra Galle, Helena Dbaly
  • Patent number: 7332105
    Abstract: 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: Grant
    Filed: September 23, 2003
    Date of Patent: February 19, 2008
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Adalbert Braig, David George Leppard, Frédérique Wendeborn
  • Patent number: 7294714
    Abstract: 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: Grant
    Filed: September 22, 2006
    Date of Patent: November 13, 2007
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Dario Lazzari, David George Leppard, Massimiliano Sala, Manuele Vitali, Graziano Zagnoni, Gianluca Ferri
  • Patent number: 7270771
    Abstract: 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: Grant
    Filed: June 24, 2003
    Date of Patent: September 18, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Fabienne Cuesta, Georges Metzger, Roland Naef, Peter Rohringer, Rainer Hans Traber
  • Patent number: 7208597
    Abstract: 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: Grant
    Filed: July 22, 2003
    Date of Patent: April 24, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Werner Hölzl, Gabriele Eichacker, Andrea Preuss
  • Patent number: 7198731
    Abstract: 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: Grant
    Filed: November 18, 2002
    Date of Patent: April 3, 2007
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Andrew Clive Jackson
  • Patent number: 7060201
    Abstract: 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 cationi
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: June 13, 2006
    Assignee: Clariant Finance (BVI) Limited
    Inventor: John Martin Farrar
  • Patent number: 7019134
    Abstract: 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: Grant
    Filed: December 19, 2000
    Date of Patent: March 28, 2006
    Assignee: Clariant Finance (BVI) Limited
    Inventors: John Martin Farrar, Andrew Clive Jackson
  • Patent number: 6919452
    Abstract: 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: Grant
    Filed: October 3, 2000
    Date of Patent: July 19, 2005
    Assignee: Fuji Photo Film Co., LTD
    Inventors: Keizo Kimura, Yoshiharu Yabuki, Yasufumi Nakai
  • Patent number: 6890454
    Abstract: 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: Grant
    Filed: January 8, 2002
    Date of Patent: May 10, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: John Martin Farrar, Andrew Clive Jackson, Alec Stewart Tindal
  • Publication number: 20040237846
    Abstract: Optical brighteners (PAB) of formula 1
    Type: Application
    Filed: April 16, 2004
    Publication date: December 2, 2004
    Inventor: John Martin Farrar
  • Patent number: 6821643
    Abstract: 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: Grant
    Filed: January 21, 2000
    Date of Patent: November 23, 2004
    Assignee: Xerox Corporation
    Inventors: Nan-Xing Hu, Mohammad Esteghamatian, Zoran D. Popovic, Beng S. Ong, Ah-Mee Hor
  • Publication number: 20040074021
    Abstract: 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: Application
    Filed: June 25, 2003
    Publication date: April 22, 2004
    Inventors: John Martin Farrar, Andrew Clive Jackson, Alec Stewart Tindal
  • Patent number: 6723846
    Abstract: 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: Grant
    Filed: March 6, 2002
    Date of Patent: April 20, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Georges Metzger, Serge Hauger, Fabienne Cuesta, Christophe Bulliard, Peter Rohringer, Marc Roger Grienenberger