Patents Represented by Attorney Kevin T. Mansfields
  • Patent number: 6635092
    Abstract: Disclosed are dye mixtures for shading white paper which may contain fluorescent brightener. The dye mixtures comprise a violet dye according to the formula (1) or (2) indicated in claim 1 and sufficient of a red, blue or further violet anionic azo dye that this dye mixture is capable of producing in the Cielab color co-ordinates system a relative hue angle of 270 to 295° when the dyeing contains 0.00005 to 0.005% by weight of dye, based on the weight of the paper, with the proviso that the value 0.005% is excluded.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: October 21, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Adolf Käser, Wolfgang Schlenker
  • Patent number: 6632255
    Abstract: The invention relates to the compacted granular products of a mixture of (A) at least one water-soluble dye, (B) at least one extender, and (C) at least one compound of formula:  wherein R is a saturated or unsaturated aliphatic residue with 12 to 22 carbon atoms, R1, R2, R3 and R4 independently of one another are each hydrogen or a residue of formula—(OCH2CH2)nH in which n is a number from 20 to 100, and B and B1 independently of one another are each C1-C4alkylene, and optionally (D) a dust-binding oil and/or (E) further additives, their production and their use.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: October 14, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Walter Dümler, Paolo Balliello
  • Patent number: 6630002
    Abstract: The present invention relates to a process for the staining of wood, which comprises treating the unstained wood with an aqueous preparation comprising a) at least one dye, and b) at least one dye stabilizer of the formula (I) or (II)  in which G1 and G2, independently of one another, are C1-C4alkyl or together are pentamethylene, Z1 and Z2 are methyl, or Z1 and Z2 form a bridging member which is unsubstituted or substituted by an ester, ether, hydroxyl, oxo, cyanohydrin, amido, amino, carboxyl or urethane radical, E is oxyl or hydroxyl, and X is an inorganic or organic anion, and the total number of cations h corresponds to the total number of anions j, to a wood stain comprising a dye and a dye stabilizer of the formula (I) or (II), and to the use of this wood stain for the staining of wood.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: October 7, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Stefan Koller, Peter Scheibli
  • Patent number: 6630005
    Abstract: Dye mixtures, which comprise at least one dye of formula (1) together with at least one dye of formula (2), wherein R1, R2, R4 and R5 are each independently of one another hydrogen or unsubstituted or substituted C1-C4alkyl, (R3)0-2 is 0 to 2 identical or different substituents selected from the group consisting of C2-C4halogen alkanoylamino, C1-C4alkyl or C1-C4alkoxy, A1 and A2 are each independently of the other an unsubstituted or substituted phenylene radical or a C1-C8alkylene radical which may be interrupted by oxygen, D is a radical of formula (3) or (4) wherein is (R6)0-2 0 to 2 identical or different substituents selected from the group consisting of halogen, C2-C4alkanoylamino, C1-C4alkyl and C1-C4alkoxy, X1 and X2 are halogen, and Y1 and Y2 are each independently of the other a fiber-reactive radical of formula: —SO2—Z (5a): —CONH—(CH2)m—SO2—Z (5b); —NH—CO—CH(Hal)—CH2—Hal (5c).
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: October 7, 2003
    Assignee: Giba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Urs Lehmann, Herbert Klier
  • Patent number: 6623533
    Abstract: A method of printing cellulosic fiber materials in which the fiber material is brought into contact with reactive dyes of formula: wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, R1, R2 and R3 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, X1 and X2 are halogen, B is an organic bridging member, T is a reactive radical of formula: R4 is hydrogen, C1-C4alkyl unsubstituted or substituted by hydroxy, sulfo, sulfato, carboxy or by cyano, or a radical  wherein R5 is as defined hereinbelow, R5 is hydrogen, hydroxy, sulfo, sulfato, carboxy, cyano, halogen, C1-C4alkoxycarbonyl, C1-C4alkanoyloxy, carbamoyl or a group —SO2—Y, R6 is hydrogen or C1-C4alkyl, alk and alk1 are each independently of the other linear or branched C1-C6alkylene, arylene is an unsubstituted or sulfo-, carboxy-, hydroxy-, C1-C4alkyl-, C1-C4al
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: September 23, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Athanassios Tzikas, Hans Reichert, Herbert Klier
  • Patent number: 6624182
    Abstract: The use of hydroxyphenylvinylthiazoles of formula wherein R1, R2, R3 and R4 are each independently of the others hydrogen; halogen; hydroxy, C1-C16-alkyl, C1-C16alkoxy, phenyl; phenyl-C1-C3alkyl; C6-C10aryloxy, amino, mono-C1-C5alkyl-amino, di-C1-C5alkylamino or -NO2; wherein at least one of the radicals R1, R2, R3 and R4 is hydroxy; R5 is C1-C5alkyl; C1-C5alkoxy; or unsubstituted or halo-, C1-C5alkyl-, C1-C5alkoxy-, hydroxy- or pyrrolidinyl-substituted phenyl; as microbicidal active ingredients is described. The compounds exhibit a pronounced action against pathogenic gram-positive and gram-negative bacteria, and also against yeasts and moulds. Accordingly, they are suitable for the antimicrobial treatment, especially the preservation and disinfection, of surfaces.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: September 23, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Wolfgang Haap, Werner Hölzl, Dietmar Ochs, Karin Puchtler, Marcel Schnyder
  • Patent number: 6624117
    Abstract: A heat sensitive recording material, comprising a) at least one colour forming compound, and b) at least one developer of the formula  wherein R1 is unsubstituted or substituted phenyl, naphthyl or C1-C20alkyl, X is a group of the formula A is unsubstituted or substituted phenylene, naphthylene or C1-C12alkylene, or is an unsubstituted or substituted heterocyclic group, B is a linking group of formula —O—SO2—, —SO2—O—, —NH—SO2—, —SO2—NH—, —S—SO2—, —O—CO—, —O—CO—NH—, —NH—CO—, —NH—CO—O—, —S—CO—NH—, —S—CS—NH—, —CO—NH—SO2—, —O—CO—NH—SO2—, —NH═CH—, —CO—NH—CO—, —S—, —CO—, —O—, —SO2—NH—CO—, —O&m
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: September 23, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Michael Heneghan, Roy Alan Kirk, James Philip Taylor, John Whitworth, Robert Montgomery O'Neil, John Barry Henshall
  • Patent number: 6620294
    Abstract: Stable formulations of fluorescent whitening agents are described. These contain a) 2 to 20% by weight of a fluorescent whitening agent of formula (1) in which R1 is hydrogen, C1-C5-alkyl, C1-C5-alkoxy or halogen and M is hydrogen, an alkali metal, ammonium or magnesium, b) 4 to 30% by weight of an unmodified or modified polyvinyl alcohol, c) 55 to 94% by weight of water and d) 0 to 20% weight of further additives, polyethylene glycol being excluded. A process for the preparation of the formulations and their use for whitening paper materials is also described.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: September 16, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Olli Juhani Jokinen, Rainer Hans Traber, Peter Rohringer
  • Patent number: 6620960
    Abstract: Disclosed is a process for the preparation of a compound of the formula (1) wherein R1 is unsubstituted or substituted sing reacting a compound of the formula (2) with a compound of the formula (3) in the presence of an aqueous base ransfer catalyst.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: September 16, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Vadiraj S. Ekkundi, Vilas N. Mumbaikar, Niranjan Paingankar, Paul Adriaan Van Der Schaaf
  • Patent number: 6620854
    Abstract: There are described surface-active soap compositions containing (a) from 0.01 to 2% by weight of an antimicrobial active ingredient from the class of diphenyl ethers, (b) from 0.1 to 30% by weight of a hydrotropic agent, (c) from 6.0 to 50% by weight of one or more synthetic detergents or soaps or a combination of such substances, (d) from 0 to 70% by weight of a monohydric or dihydric alcohol, and (e) tap water or deionised water ad 100%. The composition is used for disinfecting and cleaning human skin and hands and hard objects, and in washing and cleaning formulations for textile fibre materials.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: September 16, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Marcel Schnyder, François Brugger, Fernand Hoffstetter, Karin Mühlbauer, Karin Petzold, Radojka Vukomanovic
  • Patent number: 6616711
    Abstract: This invention relates to a process for printing hydrophobic fiber materials with disperse dyes, which comprises 1) dyeing or printing the fiber materials overall with a disperse dye, and 2) printing the fiber materials in areas with a printing paste, which comprises as component (A), at least one cationic assistant, as component (B), at least one polyethylene glycol, as component (C), at least one nonionogenic detergent and, optionally, as component (D), at least one disperse dye, it being possible for steps 1) and 2) to be carried out in any sequence and for step 2) to be carried out repeatedly without using any dye, or using different dyes, and, if necessary, drying the fiber material thus treated and then fixing the dye on the fiber material by heat treatment. The novel process affords multicolored prints having sharp contours and very good fastness to hot light.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: September 9, 2003
    Assignee: Ciba Speciality Chemicals Corporation
    Inventors: Alex Känzig, Claudius Brinkmann
  • Patent number: 6610765
    Abstract: The dispersion of additives selected from the group consisting of stabilizers, antistatic agents, nucleating agents, biocides and/or flame retardants in synthetic polymers is improved by the addition of at least one polymeric dispersing or solvating agent having amphiphilic properties. Synthetic polymers stabilized in this manner are distinguished by having excellent stability against oxidative, thermal or light-induced degradation.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: August 26, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rudolf Pfaendner, Kurt Hoffmann, Felix Meyer, Bruno Rotzinger
  • Patent number: 6596796
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, and b) as stabilizer at least one compound of formula I wherein R1 is C8-C20alkyl; and optionally c) as further stabilizer at least one compound of formula II wherein R2 is C8-C12alkyl, R3 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, &agr;-methylbenzyl, &agr;,&agr;-dimethylbenzyl or —CH2—S—R2, R4 is C1-C12alkyl, benzyl, &agr;-methylbenzyl, 60 ,&agr;-dimethylbenzyl or —CH2—S—R2, and R5 is hydrogen or methyl.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: July 22, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Paul Dubs, Samuel Evans
  • Patent number: 6596907
    Abstract: A description is given of a three-step process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds of formula (1) which comprises: a) hologenating an alkoxyphenol of formula (6) (=a1), reacting the resulting halogenated phenol compound of formula (5) with p-dihalobenzene of formula (4a) in the presence of copper and/or copper salts to the diphenyl ether compound of formula (2) (=a2) and subsequent ether fission to the diphenyl ether compound of formula (1) (=a3); or b) reacting an alkoxyphenol of formula (6) with the halophenol of formula (4b) to the compound of formula (3) (=b1), then halogenating this compound (=b2) and subsequent ether fission of the resulting compound of formula (2) to the diphenyl ether compound of formula (1) (=b3). The compounds of formula (1) are used for protecting organic materials and objects against microorganisms.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: July 22, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Armando Di Teodoro, Werner Hölzl, Dieter Reinehr, Rudolf Zink
  • Patent number: 6592634
    Abstract: Reactive dyes of the formula (1) in which R1, R2, R3 and R4 independently of one another are hydrogen or substituted or unsubstituted C1-C4alkyl, (R5)0-2 and (R6)0-2 independently of one another are 0 to 2 identical or different substituents from the group consisting of C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, halogen, carboxyl, sulfo, carbamoyl, N-C1-C4alkylcarbamoyl, N,N-di-C1-C4alkylcarbamoyl, C1-C4alkylsulfonyl, sulfamoyl, N-C1-C4alkylsulfamoyl and N,N-di-C1-C4alkylsulfamoyl, A is hydrogen or C1-C4alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, phenyl or naphthyl which are unsubstituted or substituted by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, carbamoyl, sulfo or halogen, phenyl-C1-C4alkylene which is unsubstituted or substituted in the phenyl ring by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, sulfo, carbamoyl, ureido or halogen, or C5-C7cycloalkyl which is unsubstituted or substituted by C1-C4alky
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: July 15, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Hans Reichert, Thomas Verdugo
  • Patent number: 6586606
    Abstract: The instant invention discloses a process for the preparation of compounds of formula I wherein the general symbols are as defined in claim 1, which process comprises hydrolyzing a compound of formula V wherein the general symbols are as defined in claim 1, in an aqueous solvent in the presence of an acid. The compounds of the formula V are new and useful as stabilizers for protecting organic materials, in particular polymers and lubricants, against oxidative, thermal or light-induced degradation.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: July 1, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Michèle Gerster, Paul Dubs
  • Patent number: 6583273
    Abstract: This invention relates to dyes of formula wherein R1 is hydrogen, halogen, C1-C8alkyl, —NH—CO—C1-C4alkyl or phenyl, R2 is hydrogen, halogen, C1-C8alkyl, C1-C8alkoxy, —NH—CO—C1-C4alkyl or phenyl, R3 is hydrogen, C1-C8alkyl or phenyl, R4 is hydrogen, halogen or C1-C8alkyl, and X is —CO—, — COO—or —SO2—, and n is the number 1 or 2, to their preparation and to their use for dyeing or printing natural and synthetic materials, in particular synthetic polyamide fibre materials.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: June 24, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jean-Pierre Bacher, Jean-Marie Adam
  • Patent number: 6583105
    Abstract: The invention relates to a fabric softener composition comprising (a) a water-soluble phthalocyanine of Zn, Fe(II), Ca, Mg, Na, K, Al, Si(IV), P(V), Ti(IV), Ge(IV), Cr(VI), Ga(III), Zr(IV), In(III), Sn(IV) or Hf(VI); and (b) a quaternary ammonium compound of the formula  in which R1 and R2 independently of one another are C1-C5alkyl; or hydroxy-C1-C5alkyl; A and B are a C8-C20 fatty acid radical; the radical of the formula  or the radical of the formula B is C1-C5alkyl; a C8-C20 fatty acid radical; the radical of the formula (1a) or the radical of the formula (1b); R3, R4 and R5 independently of one another are a C8-C20 fatty acid radical; X1− is a softener-compatible anion; and m, n and p are numbers from 0 to 5. The novel composition is used to obtain good bleaching effects on soiled textile fabrics.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: June 24, 2003
    Assignee: Ciba Specialty Chemical Corporation
    Inventors: Alfred Höhener, Roland Frick
  • Patent number: 6579325
    Abstract: Compositions are described with organopolysiloxanes which contain crosslinked units and are further crosslinkable. The compositions further contain reaction products of diepoxides and diamines. They are useful for treating fiber materials, especially textile sheet materials, and can be applied thereto in the form of aqueous solutions or dispersions. Textiles which are 50 to 100% by weight wool and have been finished with the compositions exhibit low shrinkage and low felting tendency during washing operations.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: June 17, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Simpert Lüdemann, Harald Chrobaczek, Theodor Angele, Jürgen Riedmann
  • Patent number: 6573347
    Abstract: The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b1) at least one multifunctional triazinyl based 2,2,6,6 tetramethylpiperidine-1-oxyl and a free radical initiator or b2) at least one multifunctional triazinyl based 2,2,6,6 tetramethylpiperidine-1-oxyl-ether. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, the (co)polymers obtainable by this process and the use of multifunctional triazinyl based 2,2,6,6 tetramethylpiperidine-1-oxyls in combination with a free radical initiator, or a multifunctional triazinyl based 2,2,6,6 tetramethylpiperidine-1-oxyl-ethers for controlled polymerization. In a particularly preferred embodiment at least one additional heating step at a temperature from 140 to 280° C. is applied after polymerization is completed.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: June 3, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Wiebke Wunderlich, Rudolf Pfaendner, Raymond Seltzer, James Peter Galbo