Patents Represented by Attorney Kevin T. Mansfields
  • Patent number: 6929667
    Abstract: A method for the fluorescent whitening of cotton in a discontinuous process comprising contacting the cotton, I an aqueous bath having a pH value of 6 or less, with one or more compounds of the Formula (I) wherein R1 represents an —SO2R3, —SOR3, CO2M, —CO2R3, —CONR3R4, —CN or —NO2 substituent, R2 is —NH2, —NH(C1-C4alkyl), —N(C1-C4alkyl)2, —NH(C2-C4hydroxyalkyl), —N(C2-C4hydroxyalkyl)2, —NH(C1-C4alkoxy)(C1-C4alkyl), —N[(C1-C4alkoxy)(C1-C4alkyl)]2, NHC2—C4alkylsulphonic acid, morpholineo, piperidino pyrrolidino, an amino acid or amino acid amide residue from which a hydrogen atom on the amino group has been removed, —OC1-C4alkyl or —OC1-C4hydroxyalkyl, R3 and R4 each, independently, represent hydrogen, C1-C4alkyl, C2-C4hydroxyalkyl or C1-C4alkoxyC1-C4alkyl and M is H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubsituted by C1-C4alkyl, C2-C4hydroxyalkyl or a mixture thereof, some of which are new
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: August 16, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Fabienne Cuesta, Dieter Reinehr, Hans Kramer, Georges Metzger, Bernd Wockenfuss
  • Patent number: 6930179
    Abstract: Method for the trichromatic dyeing or printing of synthetic polyamide fiber material, wherein at least one red reactive dye of formula is used together with at least one of the yellow or orange reactive dyes of formulae and at least one blue reactive dye of formula in which formulae the variables are as defined in claim 1, which method is distinguished by a uniform color build-up and a very good combinability.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: August 16, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jürgen Schmiedl, Klaus Koch, Wolfgang Mundle, Franz Grüner
  • Patent number: 6923836
    Abstract: The present application relates to a process for preparing dyed plastics or polymeric dye particles characterized in that it comprises mixing a high molecular weight organic material with a coloristically effective amount of at least one dye of the formula where R1 is hydrogen, hydroxyl or a radical —NHCO—R6, where R6 is C1-C6alkyl or unsubstituted or C1-C4alkyl- or halogen-substituted phenyl, R2 is hydrogen, hydroxyl or a radical W—R7, where W is —NHCO— or —S— and R7 is C1-C6alkyl or unsubstituted or C1-C4alkyl- or halogen-substituted phenyl, R3 is hydrogen, R4 is hydrogen or hydroxyl, R5 is hydrogen, or R3 and R4 combine to form the radical of the formula, where the rings A and B may independently bear further substituents.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: August 2, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rainer Hildebrand, Peter Sutter
  • Patent number: 6908608
    Abstract: 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: Grant
    Filed: October 21, 1999
    Date of Patent: June 21, 2005
    Assignee: Ciba Specialty Chemical Corporation
    Inventors: Dietmar Hüglin, Thomas Ehlis, Erich Kramer, Joseph Anthony Lupia, Oliver Reich
  • Patent number: 6906195
    Abstract: The present invention relates to pyridone dyes of formula (1), wherein R is a radical —(CR?H)n—W, R? is hydrogen, C1-C2alkyl or phenyl, Y is cyano, —CONH2 or —CH2SO3H, W is hydrogen, a radical —NR1R2 or a radical —OR3, R1 and R2 are each independently of the other hydrogen, unsubstituted or hydroxy- or phenyl-substituted C1-C6-alkyl, it being possible for the alkyl chain from C3 upwards to be interrupted by one or more oxygen atoms, or a radical of formula (3), (4) or (5), or R1 and R2 together with the nitrogen atom in —NR1R2 form a heterocyclic ring, R3 is hydrogen, unsubstituted or hydroxy-substituted C1-C6alkyl, phenyl or a radical of formula (6), R4 is alkyl or aryl, R5 and R6 are each independently of the other alkyl, aryl or heteroaryl, n is an integer from 2 to 6, and m is an integer from 1 to 6, a process for the preparation thereof and their use in the production of coloured plastics or polymeric colour particles
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: June 14, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Urs Lauk, Romeo Dreier, Antoine Clément
  • Patent number: 6906087
    Abstract: Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: June 14, 2005
    Assignee: Ciba Specialty Chemicals Corpation
    Inventors: Paul Adriaan Van Der Schaaf, Claudia Marcolli, Martin Szelagiewicz, Beat Freiermuth
  • Patent number: 6900355
    Abstract: The invention relates to a process for the cis-selective preparation of cyclic amines of the sertralin type by reductive alkylation of cyclic imines or their precursors and catalytic hydrogenation in the presence of copper-containing catalysts and in the presence of a protic solvent.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: May 31, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Steiner, Marc Thommen, Hans-Peter Jalett, Markus Benz
  • Patent number: 6893472
    Abstract: The present invention relates to a process for dyeing or printing manufactured natural polymer or synthetic hydrophobic fiber materials, characterized in that it comprises using dyes of the formula (I), where R1 is hydrogen, hydroxyl or a radical —NHCO—R6, where R6 is C1-C6alkyl or unsubstituted or C1-C4alkyl- or halogen-substituted phenyl, R2 is hydrogen, hydroxyl or a radical W—R7, where W is —NHCO— or —S— and R7 is C1C6alkyl or unsubstituted or C1-C4alkyl- or halogen-substituted phenyl, R3 is hydrogen, R4 is hydrogen or hydroxyl, R5 is hydrogen, halogen, methoxy, phenoxy or phenylthio, or R3 and R4 combine to form the radical of the formula (II), where the rings A and B may independently bear further substituents, to the use of these dyes for trichromatic dyeing of manufactured natural polymer or synthetic hydrophobic fiber materials and mass dyeing of plastics materials and to producing solid on-tone combinations of plastics material and manufactured natural polymer or synthetic fiber material.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: May 17, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rainer Hildebrand, Peter Sutter
  • Patent number: 6890380
    Abstract: Organic pigments are conditioned by treating them, after synthesis but preferably without or with only partial drying, in a mixture of from 1 to 30% by weight of a neutral, polar liquid having a dipole moment ? of 2.8-6.0? 10?18 esu (2.8 to 6.0 debye units) and from 70 to 99% by weight of water in an agitated media pearl mill having a specific power density of at most 2.0 kJs??1 per liter of grinding space. Drying is especially suitable in the case of only slightly agglomerating, easy to wet pigments of specific surface area from 1 to 25 m2/g. The method gives excellent results, and is flexible and also much simpler than known methods.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: May 10, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Gerhard Giger, Jürgen Beyrich, Philippe Bugnon, Marc Maurer
  • Patent number: 6890706
    Abstract: A process for removing stain in a photographic material is described which process comprises incorporation of at least one compound of the formula (I) wherein X is O or NH; n is 1 or 2, p is 0, 1 or 2, M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hydrogen atom on the amino group has been removed; each R2, independently, is hydrogen, C1-C8alkyl, C1-C8alkoxy, halogen, cyano, COOR, wherein R is hydrogen or C1-C3alkyl, CONH—R in which R has its previous significance, SO2NH—R in which R has its previous significance, NH—COR in which R has its previous significance, or SO3M, wherein M has its previous significance, or, if n is 1, R2 can also be CO—R3 in which R3 is C1-C3alkyl or phenyl, in that photographic material.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: May 10, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Christophe Bulliard, Georges Metzger, Sonia Megert
  • Patent number: 6872853
    Abstract: A cystalline form of sertraline hydrochloride was found, referred to hereinafter as polymorphic form CSC2 having a dissolution rate which surprisingly will increase rate of absorption of a drug. Furthermore, different crystalline forms of sertraline hydrochloride alcohol solvates, crystalline forms of sertraline hydrochloride hydrates, referred to hereinafter as polymorphic form CSC1, a process for the preparation of the amorphous form of sertraline hydrochloride, and different processes for the preparation of polymorphic forms I, II, V, and T1 are disclosed.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: March 29, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Paul Adriaan Van Der Schaaf, Franz Schwarzenbach, Hans-Jörg Kirner, Martin Szelagiewicz, Claudia Marcolli, Andreas Burkhard, Regine Peter
  • Patent number: 6864371
    Abstract: A novel method for the preparation of a beta quinacridone pigment is described by the oxidation of 6,13-dihydroquinacridone in the presence of polyvinyl pyrrolidone, a catalyst and optionally a particulate quinacridone or particle growth inhibitor using hydrogen peroxide as the oxidant.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: March 8, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Fridolin Bäbler
  • Patent number: 6858643
    Abstract: Crystalline forms of the (3R,5S)- and the (3S,5R)-enantiomers of fluvastatin, referred to as polymorphic Forms A, B1, B2, C, D and E, processes for the preparation of these crystalline forms and pharmaceutical compositions comprising them are disclosed.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: February 22, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Paul Adriaan Van Der Schaaf, Heinz Wolleb, Annemarie Wolleb, Claudia Marcolli, Martin Szelagiewicz, Andreas Burkhard, Beat Freiermuth
  • Patent number: 6849315
    Abstract: The invention relates to an optical recording medium, comprising a substrate and a recording layer, wherein the recording layer comprises a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are each independently of the others hydrogen, G1 or C1-C24alkyl, C2-C24alkenyl, C2-C24alkynyl, C3-C24cycloalkyl, C3-C24cycloalkenyl, C7-C24aralkyl, C6-C24aryl, C4-C12heteroaryl or C1-C12heterocycloalkyl, each unsubstituted or substituted by one or more identical or different substituents G1, wherein R1 and R2, R1 and R13, R2 and R3, R3 and R4, R4 and R5, R5 and R6, R6 and R7, R7 and R8, R8 and R9, R9 and R10, R10 and R11, R11 and R12 and/or R12 and R13 can independently of one another be bonded to one another in pairs separately or, when they contain substitutable sites, via a direct bond or via a —CH2—, —O—, —S—, —NH— or —NC1-C24alkyl-bridge in such a manner that, together with the atoms and bonds indicated in formula (I), five- or six-membered, saturated, unsaturated or aromatic,
    Type: Grant
    Filed: July 4, 2002
    Date of Patent: February 1, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Urs Lehmann, Peter Aeschlimann, Peter Sutter, Beat Schmidhalter, Jean-Luc Budry, Heinz Spahni
  • Patent number: 6846492
    Abstract: The use of compounds of formula (1) is described, in which compounds R1, R2 and R3 are each independently of the others hydrogen; C1-C20alkyl; C3-C7cycloalkyl; C2-C20alkenyl; C4-C7cycloalkenyl; C2-C20alkynyl, C4-C7cycloalkynyl; or unsubstituted or C1-C5alkyl-, C3-C7cylcoalkyl-, C1-C5alkoxyl-, C3-C7cycloakoxy-, halo-, oxo-, carboxy-, carboxy-C1-C7alkyl ester-, carboxy-C3-C7cylcloalkyl ester-, cyano-, trifluoromethyl-, pentafluoroethyl-, amino-, N,N-mono- or di-C1-C20alkylamino- or nitro-substituted phenyl-C1-C5alkyl, naphthyl-C1-C5alkyl, phenylcarbonyl-C1-C5alkyl, naphthylcarbonyl-C1-C5alkyl, pyrrolylalkyl, furanylalkyl, thiophenylalkyl, pyrazolylalkyl, imidazolylalkyl, oxazolylalkyl, thiazolylalkyl, isoxazolylalkyl, isothiazolylalkyl, 1,2,3-triazolylalkyl, 1,2,4-triazolylalkyl, 1,2,3-oxadiazolylalkyl, 1,3,4-oxadiazolylalkyl, 1,2,3-thiadiazolylalkyl, 1,3,4-thiadiazolylalkyl, indolylalkyl, pyridylalkyl, pyridazinylalkyl, pyrimidinylalkyl, pyridazinylalkyl, quinolinylalkyl, isoquinolinylalkyl, pyrrolyl, furanyl,
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: January 25, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Wolfgang Haap, Werner Hölzl, Dietmar Ochs, Karin Petzold, Marcel Schnyder
  • Patent number: 6843256
    Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for coloring keratin-containing fibers, more especially for coloring hair.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: January 18, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Peter Möckli
  • Patent number: 6835329
    Abstract: The present invention provides compounds having the formula (1) in which each of the radicals R1, R2, R3 and R4, independently, represent hydrogen, hydroxy, halogen, C1-C20-alkyl, C1-C20-alkoxy, CN or COOR5, in which R5 is C1-C20-alkyl and Z represents a heterocyclic residue selected from the 2H-benzo[1,2-d]triazol-2-yl, 2H-naphtho[1,2-d]triazol-2-yl, benzimidazol-2-yl, benzoxazol-2-yl and benzofuran-2-yl moieties, optionally substituted by C1-C4-alkyl, C1-C4-alkoxy, halogen or NHCOC1-C4-alkyl, a process for their preparation, new intermediate benzoxazinones useful for their preparation and use of the compounds of formula (1) as UV-absorbers which have improved absorption spectrum characteristics, superior resistance to exposure to UV light and excellent thermal stability, relative to known triphenyltriazine compounds.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: December 28, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Hanspeter Sauter, Rudolf Zink
  • Patent number: 6833406
    Abstract: Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a silicone polymer fluid and an oil-in-water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: December 21, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Michael Green, Howard Roger Dungworth, Dwayne Erick Gavin, Eleanor Bernice Ridley
  • Patent number: 6831055
    Abstract: The present invention relates to a method of use of a softener composition for imparting hydrophylicity to textile fibre materials in domestic applications, which softener composition comprises: A) a fabric softener; B) at least one additive selected from the group consisting of a) a polyethylene, or a mixture thereof, b) a fatty acid alkanolamide, or a mixture thereof, c) a polysilicic acid, and d) a polyurethane; C) selected polyorganosiloxanes.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: December 14, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Petr Kvita, Peter Otto, Mario Dubini, Harald Chrobaczek, Michael Geubtner, Ralf Goretzki, Barbara Weber, Emmanuel Martin
  • Patent number: 6828293
    Abstract: Water-soluble granules of salen-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded dissolution and improved action of the manganses complexes.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: December 7, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Menno Hazenkamp, Frank Bachmann, Cornelia Makowka, Petr Kvita, Rolf Kuratli, Anita Schmidlin