Patents Assigned to Ciba Specialty Chemicals Corporation
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Patent number: 7723397Abstract: The invention relates to novel photoinitiators of formula (I) wherein A is —O—, —CH2?, CH(CH3)— or —C(CH3)2?, and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group —C(CH3)2?. The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Compositions comprising (A) an ethylenically unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.Type: GrantFiled: July 10, 2003Date of Patent: May 25, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Rinaldo Hüsler, André Fuchs
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Patent number: 7718096Abstract: Disclosed are compositions, which are stabilized against degradation and yellowing during exposure to ultraviolet light by the presence of certain nitroxyl, hydroxyl amine and hydroxyl amine salt additives, a method of stabilizing the compositions by the addition of said additives, to the use of such compositions as media in electroactive devices such as electrochromic and electrophoteric devices, and the electroactive devices comprised of these media.Type: GrantFiled: June 27, 2006Date of Patent: May 18, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: David Yale, Nancy Cliff, Mouhcine Kanouni
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Patent number: 7708819Abstract: The invention relates to a composition comprising from 92 to 97% by weight pigment and from 3 to 8% by weight binder, in each case based on the composition, wherein the binder is a mixture comprising: from 5 to 60% by weight, based on the binder, of modified cellulose wherein, on average, per glucose unit, from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, from 0.25 to 0.6 hydroxyl hydrogen atoms are replaced by R2, or from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, and from 0 to 0.Type: GrantFiled: November 24, 2003Date of Patent: May 4, 2010Assignee: Ciba Specialty Chemicals CorporationInventor: Paolo Balliello
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Patent number: 7700078Abstract: A description is given of the use of light stabilizers of formulae (1) and/or (2) for protecting body-care and household products from photolytic degradation.Type: GrantFiled: May 20, 2005Date of Patent: April 20, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Dietmar Hüglin, Thomas Ehlis, Erich Kramer, Joseph Anthony Lupia, Oliver Reich
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Patent number: 7695643Abstract: The invention relates to novel benzotriazole UV-absorbers having a long wavelength shifted absorption spectrum with significant absorbance up to 410-420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers and the use of the new compounds as UV-light stabilizers for organic materials.Type: GrantFiled: January 23, 2006Date of Patent: April 13, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Katharina Fritzsche, Adalbert Braig, Markus Frey, Walter Fischer
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Patent number: 7691934Abstract: The invention is directed to a method of making ultra high molecular weight diallyldialkyl ammonium salt homopolymers, compositions thereof and use of compositions as a fixative in papermaking.Type: GrantFiled: October 19, 2006Date of Patent: April 6, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Zhiqiang Song, George William Schriver, Holger Reinicke
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Patent number: 7691929Abstract: The present invention is directed a method of flame retarding a polymeric substrate using a specific group of azo and peroxide derivatives as flame retardants, to flame retardant compositions as well as to novel azo compounds usable as flame retarding compounds.Type: GrantFiled: January 9, 2009Date of Patent: April 6, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Nicolas Ronan, Carl-Eric Magnus Wilën
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Patent number: 7692004Abstract: Use of metal complex compounds of formula [LnMemXp]zYq??(1), wherein Me is manganese, titanium, iron, cobalt, nickel or copper, X is a coordinating or bridging radical, n and m are each independently of the other an integer having a value of from 1 to 8, p is an integer having a value of from 0 to 32, z is the charge of the metal complex, Y is a counter-ion, q=z/(charge Y), and L is a ligand of formula wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are each independently of the others hydrogen; unsubstituted or substituted C1-C18alkyl or aryl; cyano; halogen; nitro; —COOR12 or —SO3R12 wherein R12 is in each case hydrogen, a cation or unsubstituted or substituted C1-C18alkyl or aryl; —SR13, —SO2R13 or —OR13 wherein R13 is in each case hydrogen or unsubstituted or substituted C1-C18alkyl or aryl; —N(R13)—NR?13R?13 wherein R13, R?13 and R?13 are as defined above for R13; —NR14R15 or —N?R14R15R16 wherein R14, R15 and R16 are each independently of the other(s) hydrogen or unsubstituted or substitType: GrantFiled: June 19, 2008Date of Patent: April 6, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Gunther Schlingloff, Torsten Wieprecht, Frank Bachmann, Josef Dannacher, Marie-Josée Dubs, Menno Hazenkamp, Grit Hänsler (-Richter), Brigitte Schmidt, Albert Schneider, Peter Weingartner
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Patent number: 7687554Abstract: The instant invention pertains to a concentrated aqueous dispersion of organic light stabilizers with a particle size of less than 1000 nm, prepared by heterophase radical polymerization of ethylenically unsaturated monomers in the presence of the light stabilizers, wherein the weight ratio of light stabilizer to polymeric carrier is greater than 50/100. Another aspect of the invention is a process for the preparation of such aqueous dispersions with high light stabilizer content. Aqueous dispersions prepared according to this process are useful ingredients for adhesives, aqueous emulsions of natural or synthetic rubbers, water based inks or a water based coating compositions, which are consequently also subjects of the invention.Type: GrantFiled: September 1, 2004Date of Patent: March 30, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Carsten Schellenberg, Clemens Auschra, Wolfgang Peter, Delphine Kimpel, Pascal Hayoz
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Patent number: 7686850Abstract: Disclosed are nitro-sulfide dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein R1, R2, R3, independently from each other are hydrogen; C1-C20alkyl or C1-C20alkoxy, which may be substituted by one or more C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2 or hydroxy; C3-C6cycloalkyl; —C(O)H; —C(O)—C1-C5alkyl; —C(O)OH; —C(O)O—C1-C5alkyl; halogen; NO2; OH; SH; phenyl, which may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2 or hydroxy; or a radical of formula (1a) —NR4R5, wherein R4 and R5 independently from each other are hydrogen; C1-C12alkyl, which may be substituted by one or more C1-C5alkyl, C1-C5-alkoxy, hydroxy or —(CO)—H; —(CO)—C1-C5alkyl; phenyl or phenyl-C1-C4alkyl, wherein the phenyl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2, carboxy or hydroxy; or a radical of formula (2); wherein at least one oType: GrantFiled: June 14, 2006Date of Patent: March 30, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Christian Cremer, Olof Wallquist
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Patent number: 7686993Abstract: The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.Type: GrantFiled: March 8, 2004Date of Patent: March 30, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Fridolin Bäbler, Leonardus Franciscus Peeters
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Patent number: 7687220Abstract: The invention pertain to novel photoacid generator compounds of the formula I, II or III wherein R1 is for example C1-C18alkylsulfonyl or phenylsulfonyl, phenyl-C1-C3alkylsulfonyl, , naphthylsulfonyl, anthracylsulfonyl or phenanthrylsulfonyl, all optionally substituted, or R1 is a group X1, X2 and X3 independently of each other are O or S; R?1, is e.g. phenylenedisulfonyl, naphthylenedisulfonyl, diphenylenedisulfonyl, or oxydiphenylenedisulfonyl, all optionally substituted; R2 is halogen or C1-C10haloalkyl; X is halogen; Ar1 is for example biphenylyl or fluorenyl, or is substituted naphthyl; Ar?1 is heteroarylene, optionally substituted; R8, R9, R10 and R11 for example are C1-C6alkyl which is unsubstituted or substituted by halogen; or R8, R9 and R10 are phenyl which is unsubstituted or substituted by C1-C4alkyl or halogen; or R10 and R11 together are 1,2-phenylene or C2-C6alkylene which is unsubstituted or substituted by C1-C4alkyl or halogen.Type: GrantFiled: July 11, 2005Date of Patent: March 30, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Hitoshi Yamato, Toshikage Asakura, Tobias Hintermann
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Patent number: 7687451Abstract: This invention relates to thickened aqueous formulations containing cross-linked cationic polymers, novel homo- and copolymers, their production and their use as thickeners for household formulations.Type: GrantFiled: October 8, 2008Date of Patent: March 30, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Michael Green, David Normington, Keith Graham, Gerhard Merkle, Emmanuel Martin
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Patent number: 7682487Abstract: A paper sizing composition, comprising at least one first sizing component dispersed in water, the said sizing component being prepared of a reaction product of a maleic anhydride and a fatty acid component, and an aluminium component. The fatty acid component comprises an alkyl ester of one or more fatty acids selected from a vegetable oil based fatty acid mixture. The particle size of the particles in said first sizing component has been reduced so that in the dispersion at least 50% of the particles are <2.5 ?m, at least 75% of the particles are <4 ?m and at least 90% of the particles are <5 ?m, preferably so that at least 50% of the particles are <2 ?m, at least 75% of the particles are <3 ?m and at least 90% of the particles are <4 ?m.Type: GrantFiled: June 28, 2005Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Kenneth Sundberg, Jouko Käki, Tiina Luttikhedde, Guomei Peng
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Patent number: 7682406Abstract: The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R?1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D? represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4aType: GrantFiled: June 26, 2006Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Adolf Käser, Wolfgang Schlenker
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Patent number: 7683202Abstract: The invention relates to novel compounds of the formula I, II; III or IV wherein the general symbols are as defined in claim 1. These compounds are useful as surface modifiers for polymers in order to improve resistance to fog formation or water and oil repellency.Type: GrantFiled: June 5, 2008Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
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Patent number: 7682404Abstract: The present invention concerns coloring keratin fibers, especially human hair, with colored metal complexes.Type: GrantFiled: May 3, 2006Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Nicole End, Kai-Uwe Schöning, Beate Fröhling
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Patent number: 7683144Abstract: The present invention relates to a process and composition for the chain stopping of vinyl chloride polymerization or copolymerization in the presence of a stable free nitroxyl radical and a phenolic antioxidant. A further subject of the invention is the use of a stable free nitroxyl radical together with a phenolic antioxidant as a chain stopping mixture for the vinyl chloride polymerization or copolymerization. A further aspect of the invention is the use of higher sterically hindered nitroxyl radicals alone as chain stopping agents for the vinyl chloride polymerization.Type: GrantFiled: April 24, 2003Date of Patent: March 23, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Rudolf Pfaendner, Alex Wegmann, Thomas Wannemacher, Dietrich Braun
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Patent number: 7678381Abstract: Disclosed are stabilized body care products, household products, textiles and fabrics comprising an effective stabilizing amount of at least one compound selected from the group consisting of formula (I)-(III) where G1 and G2 are independently alkyl of 1 to 4 carbon atoms or are together pentamethylene, Z1 and Z2 are each methyl, or Z1 and Z2 together form a linking moiety which may additionally be substituted by an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or urethane group, X is an inorganic or organic anion, and where the total charge of cations h is equal to the total charge of anions j; and an organic UV filter selected from (c1) dibenzoylmethane derivatives; (c2) cinnamic acid esters; (c3) camphor derivatives; and (c4) trianilino-s-triazine derivatives.Type: GrantFiled: October 25, 2004Date of Patent: March 16, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Joseph Anthony Lupia, Oliver Reich, Karla Wilzer
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Patent number: 7678878Abstract: Disclosed is a method for the preparation of a polyester, which method comprises in a first step, reacting a dicarboxylic acid or a C1-C4 dicarboxylic diester with a diol at a suitable temperature and pressure to effect esterification or transesterification to prepare a precondensate and in a second step, reacting the precondensate to effect polycondensation at a suitable temperature and pressure to prepare a high molecular weight polyester, where a metal phosphonic acid complex compound of the formula is employed in the first step, in the second step or in both the first and second steps as a reaction catalyst.Type: GrantFiled: January 27, 2009Date of Patent: March 16, 2010Assignee: Ciba Specialty Chemicals CorporationInventors: Stephen M. Andrews, Jianzhao Wang, Thomas Thompson, Paragkumar N. Thanki, Deepak M. Rane, Suhas D. Sahasrabudhe, Preetam P. Ghogale, Paul A. Odorisio, Si Wu