Patents Assigned to Ciba Specialty Chemicals Corp.
  • Patent number: 7456285
    Abstract: 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 substi
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: November 25, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Gunther Schlingloff, Torsten Wieprecht, Frank Bachmann, Josef Dannacher, Marie-Josée Dubs, Menno Hazenkamp, Grit Hänsler (-Richter), Brigitte Schmidt, Albert Schneider, Peter Weingartner
  • Patent number: 7442838
    Abstract: Sertraline hydrochloride polymorphic form II is conveniently prepared by adding hydrogen chloride to solution of sertraline free amine in a ketone. In preferred processes, the solution of sertraline free amine seeded with some crystals of polymorphic form II and/or the solution is heated before addition of the hydrogen chloride.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: October 28, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Paul Adriaan Van Der Schaaf, Franz Schwarzenbach, Hans Jürg Kirner, Martin Szelagiewicz, Claudia Marcolli, Andreas Burkhard
  • Patent number: 7442731
    Abstract: The invention relates to a coating having a thickness of from 5 to 25 ?m, comprising a high-molecular-weight organic material and from 5 to 9 g/m2 colored pigments, wherein, based on the total amount of colored pigments, (a) from 30 to 90% by weight of 3,6-di(4?-biphenyl)-2,5-dihydro-pyrrolo[3,4-c]-pyrrole-1,4-dione having a specific surface area of from 20 to 50 m2/g and (b) from 10 to 70% by weight of a further organic colored pigment, selected from the series consisting of quinacridone, diketo-pyrrolo[3,4-c]-pyrrole, dioxazine, indanthrone, perylene, phthalocyanine and 3-amino-1H-isoindol-1-one-oximatometal complex pigments and solid solutions and mixtures thereof, are present.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: October 28, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventor: Rolf Tittmann
  • Patent number: 7432380
    Abstract: A novel crystalline form of Fluvastatin sodium hydrate is described, referred to hereinafter as polymorphic Form G. Furthermore, processes for the preparation of this crystalline form and pharmaceutical compositions comprising this crystalline form are reported.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: October 7, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Paul Adriaan Van Der Schaaf, Fritz Blatter, Martin Szelagiewicz
  • Patent number: 7432400
    Abstract: These are described biphenylene compounds of formula (I) wherein R1 is a C1-C18alkyl, C2-C18alkenyl, C6-C10aryl or C6-C10aryl or C6-C10heteroaryl radical each unsubstituted or mono- or poly-substituted by hydroxy, halogen, C1-C18alkyl, C1-C18alkoxy, amino, C1-C5monoalkyamino or by di-C1-C5alkylamino; C5-C7cycloalkyl or C5-C7cycloalkenyl each unsubstituted or substituted by C1-C5alkyl; —OR?; or NR?R?; R2 is a C1-C18alkyl, C2-C18alkenyl, C6-C10aryl or C6-C10heteroaryl radical each unsubstituted or mono- poly-substituted by hydroxy, hadroxy, C1-C18alkoxy, amino, C1-C5monoalkylamino or by di-C1-C5alkylamino; —OR?; —NR?R?; or R1 and R2 together form a 5- to 7- membered monocyclic carbocyclic or heterocyclic ring; R3 is hydrogen; C1-C6alkyl or C1-C6alkoxy; R? and R? are each independently of the other hydrogen; unsubstituted or mono- or poly-hydroxy-, halo-, C1-C18alkyl-, C1-C18alkoxy-, amino- or quaternary ammonium groupsubstituted C1-C18alkyl, C5-C7cycloalkyl or phenyl; and n is 0 or 1; wherein, when R2 is OR? or
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: October 7, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Barbara Wagner, Dietmar Hüglin
  • Patent number: 7425222
    Abstract: A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; R1 and R1? independently of each other are hydrogen, hydroxy, optionally substituted alkyl, 4-morpholinyl, —NH—R3, —N(R3)2 or —O—R3, wherein R3is optionally substituted alkyl or optionally substituted aryl, R2 is a group of formula (2) wherein X is —O— or —NH— and R4 is C1-C4-alkyl which carries at least one hydrophilic substituent and R2? has the meaning of R1 or R2.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: September 16, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Georges Metzger, Jean-Jacques Donzé, Hans Kramer, Serge Hauger, Volker Papendick, Michael Milde, Ted Deisenroth, Rainer Hans Traber, Ullrich Menge, Hauke Rohwer
  • Patent number: 7425320
    Abstract: The use is described of compositions comprising (a) (?)-guaiol, (b) further skin-lightening active substance(s) and, optionally, (c) one or more UV-A and/or UV-B absorbers as melanogenesis inhibitors and for skin-lightening.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: September 16, 2008
    Assignee: Ciba Specialty Chemicals Corp
    Inventors: Werner Baschong, Gerd Heinemann, Dietmar Ochs
  • Patent number: 7420078
    Abstract: The invention relates to 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 intermediates and methods for their preparation by Friedel-Crafts acylation.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: September 2, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Reinhold Öhrlein, Gabriele Baisch, Nicole End, Stephan Burkhardt, Martin Studer
  • Publication number: 20080207950
    Abstract: Compounds of the formula (I) wherein R is phenyl, or phenyl substituted by Cl, Br, C1-C4alkyl or CF3; R1 is H or methyl or ethyl; R2 is H or methyl or acyl; R3 is H or methyl; R?4 is —CH3 or ?CH2; may be obtained in high enantiopurity by hydrogenation of a compound of the formula (II) wherein R and R3 are as in formula (I); A is acyl; and R4 is —CH3 or ?CH2; in the presence of a chiral Rhodium or Ruthenium catalyst. Residues R1 as methyl or ethyl and/or R2 as H or methyl may subsequently be introduced without racemization by deacylation and optional alkylation.
    Type: Application
    Filed: December 12, 2005
    Publication date: August 28, 2008
    Applicant: CIBA SPECIALTY CHEMICALS CORP.
    Inventors: Ulrich Berens, Christophe Malan, Hans Jurg Kirner
  • Patent number: 7410940
    Abstract: The invention relates to cleaning compositions comprising (a1) a phenolic antioxidant of the formula (1) and/or (2); and/or (a2) an antioxidant of the formula (3); and (b) a surfactant comprising a long alkyl or alkenyl chain. The antioxidants used according to the invention have excellent reactivity, good stability to hydrolysis, particularly in an alkaline medium, and, because of their solubility, can be easily incorporated into the soap formulations.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: August 12, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Dietmar Hüglin, Erich Kramer
  • Patent number: 7407648
    Abstract: The use is described of merocyanine derivatives of formula (1), wherein R1 and R2 are each independently of the other hydrogen; C1-C22alkyl; cyclo-C3C8alkyl; or unsubstituted or C1-C5alkyl- or C1-C5alkoxy-substituted C6-C20aryl; orl; or R1 and R2 together with the nitrogen atom linking them form a —(CH2)m— ring which is uninterrupted or, interrupted by —O— or by —NH—; R3 is a cyano group; —COOR5; —CONHR5; —COR5; or —SO2R5; R4 is a cyano group; —COOR6; —CONHR6; —COR6; or —SO2R6; R5 and R6 are each independently of the other C1-C22alkyl; or unsubstituted or C1-C5alkyl substituted C6-C20aryl; or R3 and R4 together or R5 and R6 together form in a 5- to 7-membered, monocyclic, carbocyclic or heterocyclic ring; Z1, and Z2 are each independently of the other a —(CH2)n— group which is uninterrupted or interrupted by —O—, —S—, or by —NR7—, and/or is unsubstituted or substituted by C1-C5alkyl; R7 is (ClC5alkyl; 1 is from 1 to 4; m is from 1 to 7; n is from 1 to 4; when n=2, R1, R5 or R6 is a bivalent alkyl group; or R1
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: August 5, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Barbara Wagner, Thomas Ehlis, Kai Eichin
  • Patent number: 7408077
    Abstract: 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: Grant
    Filed: February 28, 2002
    Date of Patent: August 5, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Piero Piccinelli, Manuele Vitali, Andrea Landuzzi, Giovanni Da Roit, Primo Carrozza, Markus Grob, Nicola Lelli
  • Patent number: 7407519
    Abstract: A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; R1 and R1? independently of each other are —NH—R3, —N(R3)2 or —O—R3, wherein R3 is aryl substituted by —CO—X—R5, wherein X is O or NH and R5 is optionally substituted C1-C4-alkyl, R2 is a group of formula —O—R4 wherein R4 is hydroxy alkyl, alkoxy alkyl or hydroxy alkoxy alkyl, and R2? has the meaning of R1 or R2.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: August 5, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Georges Metzger, Fabienne Cuesta
  • Patent number: 7402675
    Abstract: An amine ether of formula A wherein a is 1 or 2; and when a is 1, E is E?; when a is 2, E is L; E? is C1-C36 alkyl; C3-C18 alkenyl; C2-C18 alkinyl; C5-C18 cycloalkyl; C5-C18 cycloalkenyl; a radical of a saturated or unsaturated aliphatic bicyclic or tricyclic hydrocarbon of 7 to 12 carbon atoms; C2-C7alkyl or C3-C7alkenyl substituted by halogen; C7-C15 aralkyl or C7-C15 aralkyl substituted by C1-C4 alkyl or phenyl; or E? is a radical of formula (VII) as explained in claim 1; T? is tertiary C4-C18alkyl or phenyl, each of which are unsubstituted or substituted by halogen, OH, COOR21 or C(O)—R22; or T? is C5-C12cycloalkyl; C5-C12cycloalkyl which is interrupted by at least one O or —NR18—; a polycyclic alkyl radical having 7-18 carbon atoms, or the same radical which is interrupted by at least one O or —NR18—; or T? is —C(G1)(G2)-T?; or C1-C18alkyl or C5-C12cycloalkyl substituted by T? is hydrogen, halogen, NO2, cyano, or is a monovalent organic radical comprising 1-50 carbon atoms; or T? and T?
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: July 22, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Andreas Hafner, Hans Jürg Kirner, Franz Schwarzenbach, Paul Adriaan Van Der Schaaf, Peter Nesvadba
  • Patent number: 7402639
    Abstract: The present invention relates to 1-alkoxy-polyalkyl-peridine derivatives containing a structural element of formula (I) G1, G2, G3, G4 are independently C1-C6alkyl with the proviso that at least one is not methyl or G1 and G2 or G3 and G4, or G1 and G2 and G3 and G4 together form a C5-C12cycloalkyl group; G5, G6 independently are H, C1-C18alkyl, phenyl, naphthyl or a group COOC1-C18alkyl and X represents a group such that the free radical X• derived from X is capable of initiating polymerization of ethylenically unsaturated monomers, with the proviso that compounds A1 and A2 are excluded Further subjects of the invention are a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) a 1-alkoxy-polyalkyl-piperidine derivative, a process for polymerizing ethylenically unsaturated monomers, and the use of 1-alkoxy-polyalkyl-piperidine derivatives for controlled polymerization.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: July 22, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Andreas Kramer, Peter Nesvadba
  • Patent number: 7381423
    Abstract: A description is given of the use of a nanodispersion, which comprises (a) a membrane-forming molecule, (b) a coemulsifier and (c) a lipophilic component, in cosmetic end formulation, which nanodispersion is obtainable by (?) mixing the components (a), (b) and (c) until a homogeneous clear liquid is obtained, and (?) adding the liquid obtained in, step (?) to the water phase of the cosmetic end formulations, steps (?) and (?) being carried out without any additional supply of energy. The nanodispersions used according to this invention can be easily prepared and are suitable as carrier systems for a very wide range of cosmetic active agents and oil-soluble dyes.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: June 3, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Dietmar Hüglin, Joachim Friedrich Röding, Andreas Werner Supersaxo, Hans Georg Weder
  • Patent number: 7375149
    Abstract: The invention describes novel mixtures comprising i) a processing stabilizer selected from the group consisting of hydroxylamine stabilizers, nitrone stabilizers, benzofuran-2-one stabilizers and/or a compound of the formula I wherein R2 is C7-C30alkyl, R3 is C1-C30alkyl, and ii) an antistatic agent selected from the group consisting of an ethoxylated amine and/or an ethoxylated amide, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal or lightinduced degradation
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: May 20, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Bruno Rotzinger, Kurt Hoffmann, Dietmar Mäder, Neil Dunski
  • Patent number: 7374749
    Abstract: Described are amino substituted hydroxyphenyl benzophenone derivatives of formula (I), wherein R1, and R2 independently from each other are; C1-C20alkyl; C2-C20-alkenyl; C3-C10cycloalkyl; C3-C10cycloalkenyl; or R1, and R2 together with the linking nitrogen atom form a 5- or 6-membered heterocyclic ring; n1 is a number from 1 to 4; when n1=1, R3 is a saturated or unsaturated heterocyclic radical; hydroxy-C1-C5alkyl; cyclohexyl optionally substituted with one or more C1-C5alkyl; phenyl optionally substituted with a heterocyclic radical, aminocarbonyl or C1-C5alkylcarboxy; when n1 is 2, R3 is an alkylene-, cycloalkylene- or alkenylene radical which is optionally substituted by a carbonyl- or carboxy group; o R3 together with A forms a bivalent radical of the formula (Ia), wherein n2 is a number from 1 to 3; when n1 is 3, R3 is an alkanetriyl radical; when n1 is 4, R3 is an alkanetetrayl radical; A is —O—; or —N(R5)—; and R5 is hydrogen; C1-C5alkyl; or hydroxy-C1-C5alkyl.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: May 20, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Jürg Haase, Thomas Ehlis, Elek Borsos, Stefan Müller
  • Patent number: 7374387
    Abstract: A method and an arrangement are provided for emptying a Big Bag or similar transport container which is filled with pourable, especially pulverized goods which are not to come into contact with their surroundings, wherein the Big Bag is inserted in a sluice means (2) which is closed off from the surroundings, with simultaneous sealing of the sluice means, which communicates with a processing container (3) for receiving the contents of the Big Bag, whereupon the Big Bag is cut open inside the sluice means by a cutting means (6) provided therein. The empty Big Bag is compressed in a removal zone (A) inside the sluice means (2) and removed into a plastic sack (8) attached to the sluice means (2).
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: May 20, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Rolf Strub, Wan-Chang Chiu
  • Patent number: 7368525
    Abstract: The instant invention pertains to polymeric alkoxyamines, which are prepared by atom transfer radical addition polymerization (ATRA). Further aspects of the invention are a process for their preparation and their use as light stabilizers, flame retardants and polymerization regulators/initiators in controlled radical polymerization processes. Yet another aspect of the invention are novel monomeric intermediate alkoxyamines, which are also useful as polymerization regulators/initiators.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: May 6, 2008
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Peter Nesvadba, Lucienne Bugnon