Patents Represented by Attorney Joseph C. Suhadolnik
-
Patent number: 7517403Abstract: The invention relates to novel colorants based on bismuth oxyhalide and bismuth oxycarboxylates, bismuth oxyenolates or bismuth oxysulfonates and to the use thereof as pigments and coating agents. They are preferably solid solutions, especially solid solutions mainly in the tetragonal crystal lattice of bismuth oxyhalide.Type: GrantFiled: May 3, 2004Date of Patent: April 14, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Martin Müller, Didier Bauer
-
Patent number: 7517404Abstract: The present invention relates to pigments, the particles of which generally have a length of from 2 ?m to 5 mm, a width of from 2 ?m to 2 mm, and a thickness of from 20 nm to 2 ?m, and a ratio of length to thickness of at least 2:1, wherein the particles contain a core of SiOy with 0.70?y?1.8, especially 1.40?y?1.8, having two substantially parallel faces, the distance between which is the shortest axis of the core, comprising (a) a material, especially a metal oxide, having a high index of refraction; or (a) a thin semi-transparent metal layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.Type: GrantFiled: October 7, 2003Date of Patent: April 14, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Patrice Bujard, Holger Leybach
-
Patent number: 7510765Abstract: The present invention relates to platelet-shaped pigments that comprise a layer obtained by calcining TiO2/SiOy or TiO2/metal, especially TiO2/AI (0.03?y?1.95, especially 0.03?y?1.8, more especially 0.70?y?1.8), and to the use thereof in paints, textiles, ink-jet printing, cosmetics, coatings, plastics, printing inks, in glazes for ceramics and glass, and in security printing. The pigments according to the invention are distinguished by a high gloss and a very uniform thickness, as a result of which very high color purity and color strength are obtained.Type: GrantFiled: October 6, 2003Date of Patent: March 31, 2009Assignee: Ciba Specialty Chemicals CorporationInventor: Patrice Bujard
-
Patent number: 7501076Abstract: The present invention relates to fluorescent diketopyrrolopyrrole of the formula (I), a process for their preparation and their use for the preparation of inks, colorants, pigmented plastics for coatings, non-impact-printing material, color filters, cosmetics, polymeric ink particles, toners, as fluorescent tracers, in color changing media, in solid dye lasers and electroluminescent devices. A luminescent device comprising a composition according to the present invention is high in the efficiency of electrical energy utilisation and high in luminance.Type: GrantFiled: April 1, 2004Date of Patent: March 10, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Hiroshi Yamamoto, Norihisa Dan
-
Patent number: 7491294Abstract: The present invention relates to a new paper making composition useful for reducing linting and dusting in paper, a method for reducing paper linting and dusting wherein certain phosphate esters are added to a fiber pulp during the paper making process and the novel additive composition for reducing linting and dusting in paper comprising the phosphate ester.Type: GrantFiled: September 29, 2004Date of Patent: February 17, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: François Brouillette, Daniel Morneau, François Fournier
-
Patent number: 7476753Abstract: Disclosed are 3-aryl-2-cyano-3-hydroxy-acrylic acid derivates of formula(1a) (1b) or (1c) wherein R1 is hydrogen, C1-C20alkyl; C1-C20alkoxy; CF3; C6-C10aryl; or a radical of formula (1a) and R2 is hydrogen; or C1-C20alkyl. The compounds are used as antimicrobial actives for the treatment of surfaces.Type: GrantFiled: July 19, 2004Date of Patent: January 13, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Dinesh Narendra Rele, Harjinder Singh Bhatti, Werner Hölzl, Sophie Marquais-Bienewald, Errol Vincent Mathias, Andrea Preuss, Barbara Wagner
-
Patent number: 7470780Abstract: The present invention relates to dyes of formula (1) that are soluble in organic solvents, wherein Cat+ is an organic cation, to a process for their preparation and to their use in the production of colored plastics or polymeric color particles, printing colorants, printing pastes and printing inks.Type: GrantFiled: December 19, 2005Date of Patent: December 30, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Thomas Ruch, Ursula Luterbacher
-
Patent number: 7470819Abstract: A process for the preparation of bis-acylphosphanes of formula R1P(COR2)2 wherein R1 is unsubstituted phenyl or phenyl substituted by one to five halogen, C1-C8-alkyl, C1-C8-alkylthio and/or C1-C8-alkoxy; R2 is C1-C18-alkyl or C2-C18-alkenyl; C1-C18-alkyl or C2-C18-alkenyl substituted once or more than once by halogen —OR10, —OCO—R10, —OCO-Hal, —COO—R10, —N(R11)—CO—R10, —N(R11)—CO-Hal, —CO—NR11R10, —CH?CH—CO—OR10 or —CH?CH-phenyl; —C(C1-C4alkyl)=C(C1-C4alkyl)-CO—OR10 or —C(C1-C4alkyl)=C(C1-C4alkyl)-phenyl; C5-C12cycloalkyl, C2-C18alkenyl, phenyl-C1-C4alkenyl, phenyl, naphthyl, biphenyl or a 5- or 6-membered —O—, S— or N-containing heterocyclic ring, the radicals phenyl, naphthyl, biphenyl or the 5- or 6-membered -0-, S— or N-containing heterocyclic ring being unsubstituted or substituted by one to five halogen, C1-C8alkyl, C1-C8alkoxy and/or C1-C8alkylthio; the process comprises the steps in a) selective reduction of dichlorophenylphosphanes of the formula R1P(CI)2 by means of hydrogen at a temperature in theType: GrantFiled: January 9, 2006Date of Patent: December 30, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Reinhard H. Sommerlade, Katharina Fritzsche, Walter Fischer
-
Patent number: 7455891Abstract: A process for the production of strongly adherent coatings on an inorganic or organic substrate is provided, wherein in a first step a) a low temperature plasma, a corona discharge or a flame is caused to act on the inorganic or organic substrate, in a second step b) one or more photoinitiators or mixtures of photoinitiators with monomers, containing at least one ethylenically unsaturated group, or solutions, suspensions or emulsions of the afore-mentioned substances, are applied at normal pressure to the inorganic or organic substrate, in a third step c) using suitable methods those afore-mentioned substances are dried and irradiated with electromagnetic waves and, optionally, in a fourth step d1) the substrate so pretreated is provided with a coating and the coating is cured or dried.Type: GrantFiled: January 27, 2003Date of Patent: November 25, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Martin Kunz, Michael Bauer, Andreas Baranyai, Giorgio Macor
-
Patent number: 7452854Abstract: 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: May 27, 2003Date of Patent: November 18, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Michael Green, David Normington, Keith Graham, Gerhard Merkle, Emmanuel Martin
-
Patent number: 7452597Abstract: The present invention relates to pigments, comprising (A) optionally a layer consisting of a metal, (B) at least one layer, which is located between the layers (A) and (C), if a layer (A) is present, and consists of the metal, silicon (Si) and oxygen (O), and (C) optionally a layer consisting of SiOz with 0.70?z?2.0 on layer (B), a process for the production of the pigments and their use in ink-jet printing, for dyeing textiles, for pigmenting coatings, paints, printing inks, plastics, cosmetics, glazes for ceramics and glass.Type: GrantFiled: November 3, 2003Date of Patent: November 18, 2008Assignee: Ciba Specialty Chemicals CorporationInventor: Patrice Bujard
-
Patent number: 7442804Abstract: The present invention relates to a process for the preparation of furopyrroles of general formula (I), comprising (a) heating a compound of the formula (II) under microwave irradiation optionally in the presence of an inert solvent, wherein A1 and A2 are C1-C18alkyl, C2-C18alkenyl, C2-C18alkynyl, C5-C8cycloalkyl, C5-C8cycloalkenyl, aryl or heteroaryl, A3 is hydrogen, C1-C18alkyl, cyanomethyl, Ar3, —CR30R31—(CH2)m—Ar3 or Y—R32, wherein R30 and R31 independently of each other stand for hydrogen or C1-C4alkyl, or phenyl which can be substitute up to three times with C1-C4alkyl, Ar3 stands for aryl, C5-C8 cloalkyl, C5-C8cycloalkenyl or heteroaryl, which can be substituted one to three times with C1-C8alkyl, C1-C8alkoxy, halogen or phenyl, which can be substituted with C1-C8alkyl or C1-C8alkoxy one to three times, and m stands for 0, 1, 2, 3 or 4, R is C1-C18alkyl, in particular C1-C4alkyl, aryl, in particular phenyl, or aralkyl, in particular benzyl, which can be substituted one to three times with C1-C8alkyl, C1Type: GrantFiled: June 28, 2004Date of Patent: October 28, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Richard Lewis Riggs, Nicholas James Westwood, David Macdonald Smith, Colin Morton
-
Patent number: 7439401Abstract: The present invention relates to a new, selective process for the preparation of mono- and bisacylphosphanes of formula (I) n and m are each independently of the other 1 or 2; R1, if n=1, is e.g. phenyl R1, if n=2, is e.g. C1-C18alkylene or phenylene; R2 is e. g. C1-C18alkyl, phenyl or substituted phenyl; R3 is e. g. C1-C18alkyl, by (1) reacting a phosphorous halide of formula IIa or a phosphorous halide oxide of formula (IIb) or a phosphorous halide sulfide of formula (IIc) with an alkali metal in a solvent in the presence of a proton source; (2) subsequent reaction with m acid halides of formula (III) An oxidation step may follow to obtain mono- and bisacylphosphane oxides or mono- and bisacylphosphane sulfides.Type: GrantFiled: July 9, 2004Date of Patent: October 21, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Reinhard H. Sommerlade, Souâd Boulmaâz, Jean-Pierre Wolf, Jens Geier, Hansjörg Grützmacher, Markus Scherer, Hartmut Schönberg, Daniel Stein, Peter Murer, Stephan Burkhardt
-
Patent number: 7425585Abstract: Photosensitive compositions which can be developed by alkali solution, comprise (A) a polymer containing at least one carboxylic acid group in the molecule and having a molecular weight of 200,000 or less, (B) selected ?-aminoalkylphenone compounds as photoinitiators and (C) an ester of a polyol, wherein the polyol is partially or fully esterified with an ethylenically unsaturated carboxylic acid a monomeric, oligomeric or polymeric compound having at least one olefinic double bond.Type: GrantFiled: June 13, 2007Date of Patent: September 16, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Hisatoshi Kura, Hidetaka Oka, Masaki Ohwa
-
Patent number: 7423001Abstract: A surface cleaning composition is described comprising polyvinyl alcohol, at least one compound selected from the group consisting of the fluorescent whitening agents and at least one surfactant for use in delivering a whitening and brightening effect to a variety of surfaces. Such compositions can be applied directly to the surface or may be applied using a pre-treated wiping cloth or implement.Type: GrantFiled: November 10, 2004Date of Patent: September 9, 2008Assignee: Ciba Specialty Chemicals CorporationInventor: Bingham Scott Jaynes
-
Patent number: 7423088Abstract: A composition containing (1) a crystalline polypropylene resin and (2) one or more ?-nucleating agents of the formula (I), wherein R1, R2 and R3, independently of one another, are C1-C20alkyl, C2-Calkyl substituted by C1-C10alkylamino, di(C1-C10alkyl)amino, C1-C10alkyloxy or hydroxy; C3-C20alkenyl, C5-C12cycloalkyl, C5-C12Cycloalkyl substituted by 1, 2 or 3 C1-C10alkyl; cyclohexylmethyl; cyclohexylmethyl substituted by 1, 2 or 3 C1-C10alkyl; C5-C9cycloalkenyl, C5-C9cycloalkenyl substituted by 1, 2 or 3 C1-C10alkyl; phenyl substituted by 1, 2 or 3 radicals selected from the group consisting of C1-C10-oalkyl, C1-C10alkyloxy, hydroxy, halogen, trihalogenmethyl, trihalogenmethoxy, benzoyl, phenylamino, acylamino and phenylazo; C7-C9phenylalkyl, C7-C9phenylalkyl which is substituted on the phenyl by 1, 2 or 3 radicals selected from the group consisting of C1-C10alkyl, C1-C10alkoxy and hydroxy; naphthyl, naphthyl substituted by C1C10alkyl, adamantyl, or a 5 to 6 membered heterocyclic group; characterized in that thType: GrantFiled: May 22, 2003Date of Patent: September 9, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Dietmar Mäder, Kurt Hoffmann, Hans-Werner Schmidt
-
Patent number: 7423006Abstract: The invention relates to aqueous compositions, preferably aqueous compositions comprising at least one polymer with a particle size of more than 10 ?m, formed from the polymerisation of a) at least one monomer of formula (I), wherein R1, signifies hydrogen or methyl, R2 signifies hydrogen or C1-C4alkyl, R3 signifies C1-C4alkylene, R4, R5 and R6 signify independently from each other hydrogen or C1-C4alkyl, X signifies —O— or —NH— and Y signifies Cl; Br; l; hydrogen-sulphate or methosulfate, b) and/or at least one non-ionic monomer, c) at least one cross-linking agent in an amount of 0-50 ppm by the weight of component a) and b) optionally at least one chain transfer agent with the proviso that (i) if the polymer is a cationic homopolymer then the amount of the crosslinking agent is always more than 0 ppm and less than 50 ppm.Type: GrantFiled: November 19, 2003Date of Patent: September 9, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Emmanuel Martin, Keith Graham, David Normington, Malcolm Skinner
-
Patent number: 7417154Abstract: The present invention relates to a process for the preparation of a mixture comprising at least two structurally different diketopyrrolopyrrole pigments of formula (1) wherein A1 and A2 are each independently of the other an aromatic or heteroaromatic radical, by reacting a succinic acid ester with at least one unsubstituted or substituted aromatic or heteroaromatic nitrile, which process comprises carrying out the reaction in the presence of at least one compound of formula (2) wherein A is an aromatic or heteroaromatic radical, R3 is hydrogen, halogen, methyl, methoxy, —CF3 or —CN, R4 is a linear or, from C3 upwards, optionally branched C1-C30alkyl, C6-C10aryl or C6-C24aralkyl radical, X is —S—, —O—, —CR5R5?—, —COO—, —CONR5—, —SO—, SO2—, —SO2NR5— or —NR5— and R5 and R5? are each independently of the other hydrogen or a linear or, from C3 upwards, optionally branched C1-C30alkyl, C6-C10aryl or C6-C24aralkyl radical, to the use of such a mixture in the coloring of organic material and in cosmetics, and also tType: GrantFiled: October 4, 2004Date of Patent: August 26, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Olof Wallquist, Roman Lenz, Leonhard Feiler, Mathias Düggeli, Taher Yousaf, Gerardus De Keyzer
-
Patent number: 7387646Abstract: The present invention relates to a method of protecting organic material, especially from the pharmaceutical, food and nutrition sectors, from light, which method comprises applying to or incorporating in a carrier material a combination of the dye of formula (1) the dye of formula (2) and a UV absorber and, optionally, further dyes, and positioning the so-treated carrier material between the light source and the organic material to be protectedType: GrantFiled: December 13, 2004Date of Patent: June 17, 2008Assignee: Ciba Specialty Chemicals CorporationInventor: Joachim Jandke
-
Patent number: 7385009Abstract: The instant invention relates to a process for the preparation of hydroxy-vinyl-aromatic polymers in particular 4-hydroxystyrene polymers or copolymers by anionic or controlled radical polymerization of the respective monomer, wherein the hydroxy functionality is blocked with a protective group which is subsequently removed by reacting it with a halosilane reagent. The resulting (co)polymers have a narrow polydispersity and are useful for manufacturing photoresists.Type: GrantFiled: November 5, 2003Date of Patent: June 10, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Kazuhiko Kunimoto, Peter Nesvadba, Andreas Kramer