Patents Assigned to Ciba Specialty Chemicals Corp.
  • Patent number: 8389719
    Abstract: The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: March 5, 2013
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Thomas Vogel, Adalbert Braig, Thomas Schäfer, Rachel Kohli Steck, Valerie Stutz
  • Patent number: 7879928
    Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: February 1, 2011
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Chin Siong Goh, Kerstin Schrinner, Pascal Xanthopoulos
  • Patent number: 7868171
    Abstract: The present invention relates to selected glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds forming an open chain or cyclic ketal structure, a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) a glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine nitroxide initiator compound. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers and the use of glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine nitroxide initiators for radical polymerization.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: January 11, 2011
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Francesco Fuso, Wiebke Wunderlich, Andreas Kramer, Jochen Fink
  • 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
  • Patent number: 7858694
    Abstract: Polymer of formula (I): In-[(A)x-(B)y-(A?)x?-(E)z]n obtained by nitroxyl mediated controlled free radical polymerization whereby an access of acrylate is present, wherein In is the initiator fragment starting the polymerization reaction; A and A? are the same or different monomers selected from the group consisting of acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, acrylic acid (C1-C22)alkyl esters, acrylic acid (C1-C22)hydroxyalkyl esters, methacrylic acid (C1-C22)alkyl esters, methacrylic acid (C1-C22)hydroxyalkyl esters, acrylic acid (C1-C22)alkyl esters or methacrylic acid (C1-C22)alkyl esters which are substituted by amino, (C1-C22)alkylamino, (C1-C22)dialkylamino, —SO3H, epoxy, fluoro, perfluoro or siloxane groups, styrene, substituted styrene, acrylamide and methacrylamide, N-mono(C1-C22)alkyl acrylamide, N,N-di(C1-C22)alkyl acrylamide; provided that the amount of unsubstituted acrylic acid (C1-C22)alkyl esters or/and methacrylic acid (C1-C22)alkyl esters is more than 30% by weight ba
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: December 28, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Lothar Alexander Engelbrecht, Arend Noordam
  • Patent number: 7855302
    Abstract: The invention relates to novel synthesis methods for the preparation of statin derivatives, which methods proceed by way of a key intermediate of formula I wherein X is halogen, acyloxy, activated hydrocarbyloxy, activated hydrocarbylthio or —N(CH3)OCH3, Ra is a hydroxy-protecting group and Rb is a carboxy-protecting group, and, as well as to the compound of formula I, to further new intermediates and methods for their preparation by Friedel-Crafts acylation.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: December 21, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Reinhold Öhrlein, Gabriele Baisch, Nicole End, Stephan Burkhardt, Martin Studer
  • Patent number: 7829484
    Abstract: The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more alkyl metal sulfonates where the metal is Na, Li or K and the alkyl is straight or branched chain alkyl of 1 to 24 carbon atoms, or is straight or branched chain alkenyl of 2 to 24 carbon atoms. The alkyl metal sulfonates are present from about 0.1% to about 1.9% by weight based on the weight of the polyester. A post treatment step such as an alkaline treatment step is not included. The melt extrusion mixtures do not include certain additives such as polyoxyalkylene compounds, alkylmonoethonolamide compounds, alkyldiethanolamine compounds and polyetheramide compounds.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ashutosh Sharma, Michael Tinkl, Andrew Leggio, Matthew Gande, Armin Schneider
  • Patent number: 7829257
    Abstract: Photosensitive compositions comprising (A) an alkali soluble compound; (B) at least one compound, of formula I or II wherein R1 inter alia is C4-C9cycloalkanoyl, C3-C12alkenoyl, or benzoyl which is unsubstituted or substituted; Ar1 is either C6-C20aryl or C6-C20aryloyl each of which is unsubstituted or substituted; x is 2 or 3; M1 when x is 2, inter alia is a group phenylene or naphthylene, each of which optionally is substituted i.a.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hidetaka Oka, Kazuhiko Kunimoto, Hisatoshi Kura, Masaki Ohwa, Junichi Tanabe
  • Patent number: 7829643
    Abstract: The present invention relates to coating compositions containing a polymeric or copolymeric levelling agent, which has been prepared by nitroxyl-mediated polymerisation. Further aspects are a process for the preparation of smooth surface coatings and the use of said polymer or copolymer as levelling agent in coating compositions. Yet another aspect are specific ethylenically unsaturated monomer compositions from which copolymers can be obtained by atom transfer radical polymerisation or nitroxyl mediated polymerisation, which copolymers are useful as levelling agents in coating compositions. Still another aspect is the use of poly-tert.-butyl acrylate or poly-tert.butylmethacrylate as a levelling agent in powder coating compositions.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ralf Knischka, Clemens Auschra, Andreas Mühlebach, Sevgi Zeren
  • Patent number: 7820828
    Abstract: This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula (I) a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: October 26, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Thomas Schäfer, Kristina Bardon, Beat Schmidhalter, Roger Prétôt
  • Patent number: 7820744
    Abstract: A stabilizer mixture containing the components (A) and (B) wherein component (A) is for example a compound of the formula (A-1) wherein A1 is hydrogen or C1-C4alkyl, A2 is a direct bond or C1-C10alkylene, and n1 is a number from 2 to 50; and component (B) is formed by two different low molecular weight sterically hindered amine compounds containing a group of the formula (I) or (II); with the proviso that components (A) and (B) are different.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: October 26, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventor: François Gugumus
  • Patent number: 7820248
    Abstract: The invention relates to a dual thermal and ultraviolet radiation curable coating composition, comprising a) at least an ethylenically unsaturated compound; b) a hydroxylamine ester effective to enable IR-curing or NIR-curing of the ethylenically unsaturated compound; c) a photoinitiator effective to enable UV-curing of the ethylenically unsaturated compound; wherein the thermal initiator is a hydroxylamine ester which has a structural element of formula (1) or formula (1) or a polymeric hydroxylamine ester which has a repetitive structural unit of formula (11) or (I[?) of formula (11) Furthermore, the invention relates to a process for curing a thermal curable coating composition composing hydroxylamine esters as thermal initiators using NIR-curing.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: October 26, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Jean-Pierre Wolf, Ljubomir Misev, Peter Nesvadba, Sevgi Zeren
  • Patent number: 7811335
    Abstract: Disclosed are composition and method for dyeing keratin-containing fibers comprising or utilizing styryl sulfide dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein R1, R?1, R2, R?2, R3, R?3, W1, W?1, W2, W?2, W3, W?3, W4, W?4, Q, Q?, Y1 and Y2 are defined in claims and disclosure.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 12, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7807076
    Abstract: An improved process for the preparation of microcapsules consisting essentially of a wall material and a core material in condensing a melamine-formaldehyde precondensate and/or methyl ethers thereof in an aqueous dispersion of a water-insoluble core material and in the presence of an acrylic acid/acrylamide copolymer at acidic pH and at a temperature in the range of from 20° to 100° C., and hardening thereafter the melamine-formaldehyde precondensate to form the walls of the microcapsules at an elevated temperature, wherein the core material is dispersed in the precondensate/copolymer solution without initial partial condensation of the precondensate and copolymer and wherein the hydrophobe point of the precondensate and/or its methyl esters is less than 90° C., as well as microcapsules, paper and pressure-sensitive recording material comprising such microcapsules.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: October 5, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ann Hunt, Robert Montgomery O'Neil
  • Patent number: 7807757
    Abstract: This invention relates to a process for stabilising and at the same time phase compatibilising plastics or plastic compositions by incorporating polymeric compounds obtainable by reacting a compound selected from the group consisting of the sterically hindered phenols, sterically hindered amines, lactones, sulfides, phosphites, benzotriazoles, benzophenones and 2-(2-hydroxyphenyl)-1,3,5-triazines, which compounds contain at least one reactive group, with a compatibilisator.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: October 5, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Rudolf Pfaendner, Heinz Herbst, Kurt Hoffmann, Samuel Evans, Alfred Steinmann
  • Patent number: 7806940
    Abstract: Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y? and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 5, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7799098
    Abstract: The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: September 21, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Alfred Höhener, Frank Bachmann, Adolf Käser, Chandrasekhar Dayal Mudaliar, Dinesh Narendra Rele, Sneha Shankar Rane, Georg Roentgen
  • Patent number: 7790897
    Abstract: The invention describes novel compound of the formula I, wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch
  • Patent number: 7790244
    Abstract: This invention relates to strongly adhering coating compositions comprising at least one copolymer or cooligomer as an adhesion promoter, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the acrylate and acrylamide monomers, at least one monomer selected from the group consisting of the amine containing ethylenically unsaturated monomers, at least one monomer selected from the group consisting of ethylenically unsaturated associative monomers and at least one monomer selected from the group consisting of the polyacrylates of polyols. The amine sites of the copolymers or cooligomers are at least partially neutralized with acid prior to film casting the coating formulation.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Howard Roger Dungworth, Andrew John Naisby, John Mark Plonka, Julie Ann List
  • Patent number: 7790807
    Abstract: The instant invention relates to new compounds of the formula I R1 and R2 are each independently of the other a fluorine containing group, R3 and R4 are each independently of the other hydrogen, a fluorine containing group, C1-C12alkyl, phenyl or R4, together with the carbon atom to which they are bonded, form a C5-C8-cycloalkylidene ring that is unsubstituted or substituted by from 1 to 3 C1-C4alkyl groups; R5, R6, R7 and R8 are each independently of the other hydrogen, C1-C12alkyl or C3-C12alkenyl, X1 and X2 are each independently of the other a direct bond or C1-C12alkylene, m is 1 to 10,000, and n is 0 to 10,000. These new compounds of the formula I are useful as reducers of surface energy for organic materials such as polycarbonates, polyesters or polyketones or their mixtures, blends or alloys.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Martin Brunner, Archana Kishore Desai, Shrirang Bhikaji Hindalekar, Suhas Dattatraya Sahasrabudhe, Armin Schneider, Paragkumar Nathalal Thanki, Michael Tinkl, Alessandro Zedda, Michèle Gerster, Fabien Jean Brand