Patents Assigned to Akzo
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Publication number: 20060160889Abstract: The invention provides chroman compounds having formula 1 wherein R1 is (1C-4C)alkyl, (2C-4C)alkenyl or (2C-4C)alkynyl, and independently R1 has a cis-orientation in relation to the exocyclic phenyl group at the 2-position of the skeleton; R4 is H, Hal, CF3, OH or (1C-2C)alkyloxy; R2, R3, and R5are independently H, Hal, CF3, (1C-4C)alkyl, (2C-4C)alkenyl or (2C-4C)alkynyl and prodrugs thereof for the manufacture of a medicine for estrogen-receptor related treatments.Type: ApplicationFiled: January 10, 2006Publication date: July 20, 2006Applicant: AKZO NOBEL N.V.Inventors: Gerrit Veeneman, Neeltje Teerhuis
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Patent number: 7078553Abstract: The invention relates to peroxides derivable from The invention further relates to the process to make these peroxides as well as to their use in polymerization, curing, and modification reactions.Type: GrantFiled: April 16, 2003Date of Patent: July 18, 2006Assignee: Akzo Nobel N.V.Inventors: Anna Gerdine Van De Bovenkamp-Bouwman, Joachim Willem J. Van Gendt, John Meijer, Andreas Herman Hogt, Andreas Petrus Van Swieten
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Publication number: 20060150892Abstract: The present invention pertains to a process to make salt compositions comprising the steps of feeding water to a salt source to form an aqueous solution comprising said salt, feeding said aqueous solution to a crystalliser/settler, contacting said aqueous solution with one or more antisolvents which force the salt to crystallise, with said antisolvents exhibiting crystal growth inhibiting properties and/or crystallisation and scale inhibiting properties, and/or where one or more crystal growth inhibitors are present either in the antisolvents or the aqueous solution and/or one or more scaling inhibitors are present either in the antisolvents or the aqueous solution, feeding an overflow of the crystalliser/settler comprising one or more antisolvents and an aqueous salt solution to a nanofiltration unit comprising a membrane to separate the one or more antisolvents from the aqueous salt solution, removing the crystallised salt in an aqueous slurry, optionally, recycling the one or more antisolvents to the crystType: ApplicationFiled: April 23, 2004Publication date: July 13, 2006Applicant: AKZO Nobel N.V.Inventor: Mateo Mayer
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Publication number: 20060151023Abstract: The invention pertains to a process for manufacturing a solar cell foil comprising the steps of: providing an etchable temporary substrate applying a front electrode of a transparent conductive oxide (TCO) onto the temporary substrate applying a photovoltaic layer onto the TCO layer applying a back electrode layer applying a permanent carrier ensuring that the front electrode and the back electrode are electrically connected in an interconnect to establish a series connection, the front and the back electrode each being interrupted by front and back groove, respectively, at different sides of the interconnect in any one of the preceding steps providing an etch resist on the non-TCO side of the temporary substrate at least at the location of the interconnect, and at least not at the entire location of the front groove selectively removing the temporary substrate where it is not covered with etch resist.Type: ApplicationFiled: July 16, 2004Publication date: July 13, 2006Applicant: AKZO NOBEL NVInventor: Gerrit Dubbeldam
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Publication number: 20060144542Abstract: The invention relates to a composition used for enhancing softness in paper products. The composition comprises (i) an oil, fat or wax (i) at least one non-ionic surfactant (iii) at least one anionic compound selected from anionic microparticles and anionic surfactants (iv) at least one polymer which is cationic, non-ionic or amphoteric wherein the non-ionic surfactant is added in an amount of from about 60 to about 1000 parts by weight per 100 parts by weight of the polymer. The invention also relates to a process for production of paper comprising adding said composition to a cellulosic suspension or to a wet or dry paper web.Type: ApplicationFiled: December 16, 2005Publication date: July 6, 2006Applicant: AKZO NOBEL N.V.Inventors: Jonas Liesen, Arne Andersson, Kerstin Malmborg-Nystrom
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Publication number: 20060148937Abstract: The present invention relates to a nonionic methyl ethyl hydroxyethyl cellulose ether having a flocculation temperature of 70-95° C., a DS-methyl of 0.1-0.8 and a DS-ethyl of 0.1-0.7. The cellulose ether has versatile properties and may be used as a thickening agent or a rheology modifier in an aqueous formulation, such as an aqueous latex-containing paint composition. A process for manufacturing the cellulose ether is also disclosed.Type: ApplicationFiled: January 16, 2004Publication date: July 6, 2006Applicant: Akzo Nobel N.V.Inventors: Peter Bostrom, Kenneth Sundberg
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Publication number: 20060148999Abstract: Ambient temperature curing coating composition comprising—a branched alkoxy-functional polysiloxane having the formula R2-O-[Si(R1)2—O]n—R2, wherein each R1 is selected from the group consisting of alkyl, aryl, and alkoxy groups having up to six carbon atoms, and Osi(OR3)3 groups, wherein each R3 independently has the same meaning as R1, each R2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms, and wherein n is selected such that the molecular weight of the polysiloxanes is in the range of from 500 to about 2,000,—a catalyst, and—an acrylic polymer. The acrylic polymer is substantially free of functional groups that can react with the polysiloxane or with the catalyst in the coating composition.Type: ApplicationFiled: January 26, 2004Publication date: July 6, 2006Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventor: Steve Nixon
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Publication number: 20060148977Abstract: The invention relates to a silyl ester copolymer solution having a solids content of at least 55 weight percent and a viscosity of less than 20 poise at 25° C., comprising a silyl ester copolymer having a weight-average molecular weight of less than 20,000. The invention further relates to coating compositions comprising a silyl ester copolymer and to substrates and structures having a cured coating prepared from such a coating composition.Type: ApplicationFiled: June 29, 2004Publication date: July 6, 2006Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventor: Alistair Finnie
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Publication number: 20060149014Abstract: The invention pertains to a process to polymerize one or more monomers wherein at most 90% w/w of a safely useable amount of a first initiator is used and a second initiator is dosed at least after the start of the polymerization, in an amount such that essentially the full cooling capacity of the polymerization reactor is used, resulting in a cost efficient process to make polymers, particularly polymers comprising polymerized vinyl chloride.Type: ApplicationFiled: April 27, 2004Publication date: July 6, 2006Applicant: AKZO NOBEL NVInventors: Hans Westmijze, Lambertus Meulenbrugge, Koen Vanduffel, Andreas Van Swieten
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Patent number: 7070789Abstract: The present invention provides a NDV mutant that is suited as a marker vaccine strain. The NDV mutant is not able to express an immunodominant epitope of the nucleoprotein (NP).Type: GrantFiled: October 30, 2001Date of Patent: July 4, 2006Assignee: Akzo Nobel N.V.Inventors: Teshome Mebatsion, Marcus Josephus Marie Koolen
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Publication number: 20060140976Abstract: Embodiments of the present invention generally relate to novel multivalent vaccines and methods of vaccinating. In an embodiment, the present invention is a trivalent vaccine for canine herpesvirus (CHV), canine rotavirus (CRV), and Minute virus of canine (MVC) or other canine parvovirus delivered to pups of a whelp through colustrums and providing sufficient antibody titer to impart protection.Type: ApplicationFiled: December 18, 2003Publication date: June 29, 2006Applicant: Akzo Nobel N.V.Inventors: Thomas Gore, Adrian Mockett
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Publication number: 20060142513Abstract: The present invention relates to an aqueous dispersion polymerization process for preparing a (co)polymer wherein an organic peroxide is used as initiator (as a source of free radicals) during the polymerization process in conjunction with an effective amount of an organic peroxide stabilizing additive (controlling agent). The invention also relates to formulations comprising an organic peroxide and an effective amount of an organic peroxide stabilizing additive suitable for use in said polymerization process. The invention finally relates to 10 (co)polymers obtainable by the dispersion polymerization process.Type: ApplicationFiled: June 18, 2004Publication date: June 29, 2006Applicant: AKZO NOBEL N.V.Inventors: Johannes De Jong, Johannes Willibrordus Overkamp, Andreas Van Swieten, Koen Vanduffel, Hans Westmuze
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Publication number: 20060142464Abstract: The invention relates to a process for preparing an aqueous polymer dispersion comprising reacting, in the presence of a polymeric cationic co-stabiliser (A), one or more monomers (m), and a polymer (B) of a monomer mixture comprising at least one monomer (x) having a primary, secondary or tertiary amine or amide group and at least one olefinic unsaturation, and, at least one catonic monomer (y) having at least one olefinic unsaturation. The invention also relates to a polymer dispersion, a process for preparing a polymeric stabiliser (C), a polymeric stabiliser (C) and a process for producing paper.Type: ApplicationFiled: December 22, 2005Publication date: June 29, 2006Applicants: AKZO NOBEL N.V., FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG e.V.Inventors: Mathias Hahn, Werner Jaeger, Andre Laschewsky, Bernd Paulke, Christian Przybyla, Achim Sieger
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Publication number: 20060142465Abstract: The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerising one or more ethylenically unsaturated monomers together with one or more polyfunctional branching agents and/or polyfunctional crosslinking agents. The anionic organic polymeric particles and the colloidal anionic silica-based particles in the aqueous composition are present in an amount of at least 0.01% by weight based on the total weight of the aqueous composition. The present invention further relates to a method for the preparation of the aqueous composition, uses of the aqueous composition and a process for the production or paper, in which the aqueous composition is added to a cellulosic suspension.Type: ApplicationFiled: February 21, 2006Publication date: June 29, 2006Applicant: AKZO NOBEL N.V.Inventors: Duncan Carr, Michael Sigman
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Publication number: 20060134010Abstract: The invention concerns an aqueous slurry comprising thermally expandable microspheres comprising a thermoplastic polymer shell and a propellant entrapped therein, said slurry further comprising an at least partially water soluble polymer selected from the group consisting of gums, celluloses, chitins, chitosans, glycans, galactans, pectins, mannans, dextrins, polyacrylic acid, esters and amides and co-polymers thereof, polymethacrylic acid, esters and amides and co-polymers thereof, rubber latexes, poly(vinyl chloride) and copolymers, poly(vinyl esters) and co-polymers, poly(vinyl alcohol), polyamines, polyetyleneimine, polyethylene/polypropylene oxides, polyurethane, and aminoplast and phenoplast precondensates and polyamidoamine epichlorohydrin resins. The invention further concerns a process for its preparations, use thereof for the production of paper or non-woven, and a process for the production of paper or non-woven.Type: ApplicationFiled: December 16, 2005Publication date: June 22, 2006Applicant: AKZO NOBEL N.V.Inventors: Jan Nordin, Susanne Gratz
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Publication number: 20060131362Abstract: The invention concerns an aqueous slurry comprising a thickener and thermally expandable microspheres comprising a thermoplastic polymer shell and a propellant entrapped therein, said slurry having a pH of at least about 2.5 and comprising a buffer having a pKa within about ±1 pH-unit of the actual pH. The invention further concerns a process for its preparations, use thereof for the production of paper or non-woven, and a process for the production of paper or non-woven.Type: ApplicationFiled: December 16, 2005Publication date: June 22, 2006Applicant: AKZO NOBEL N.V.Inventors: Helena Bergenudd, Eva Stenberg, Jan Nordin
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Publication number: 20060135676Abstract: The present invention relates to a barrier composition comprising a dispersion, emulsion or solution of a polymer, starch or starch derivative; colloidal silica particles and a curing agent capable of cross-linking said polymer, starch or starch derivative and coupling said silica particles thereto. The invention also relates to a barrier layer obtainable from said barrier composition and a method of providing such composition and layer. The invention also relates to a laminated packaging material comprising a substrate layer and a barrier layer formed from a barrier composition on at least one side of the substrate layer. The invention also relates to the use thereof, inter alia to provide a packaging container, a barrier film etc.Type: ApplicationFiled: December 13, 2005Publication date: June 22, 2006Applicant: AKZO NOBEL N.V.Inventors: Peter Greenwood, Hans Lagnemo
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Publication number: 20060130991Abstract: The present invention relates to a process for producing paper which comprises: (vii) providing an aqueous suspension comprising cellulosic fibres, (viii) adding to the suspension after all points of high shear: a first polymer being a cationic polymer having a charge density above 2.5 meq/g; a second polymer; and a third polymer being an organic or inorganic anionic polymer; and (ix) dewatering the obtained suspension to form paper.Type: ApplicationFiled: December 14, 2005Publication date: June 22, 2006Applicant: AKZO NOBEL N.V.Inventors: Fredrik Solhage, Joakim Carlen, Birgitta Johansson
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Publication number: 20060133983Abstract: The invention relates to a continuous process for producing chlorine dioxide comprising the steps of continuously: a) feeding to a reactor (1) an acid, hydrogen peroxide and alkali metal chlorate; b) reacting the alkali metal chlorate with the acid and the hydrogen peroxide to form a product stream (2) containing chlorine dioxide, oxygen and alkali metal salt of the acid, c) bringing the product stream from the reactor to an eductor (3) and mixing it with motive water fed to the eductor and thereby forming a diluted product stream; d) removing oxygen from the diluted product stream; e) withdrawing part of the diluted product stream (9), before, during or after the step of removing oxygen; f) adding water (11) to the non-withdrawn part of the diluted product stream to form a recycle stream (12); and, g) bringing the recycle stream (12) to the eductor and feeding it thereto as motive water (4).Type: ApplicationFiled: November 18, 2005Publication date: June 22, 2006Applicant: Akzo Nobel N.V.Inventors: Gary Charles, Daniel Olson, Patrick Bryant
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Publication number: 20060128906Abstract: The present invention relates to a process for preparing a polyester resin having a gel content of less than 0.45 wt %, based on the total weight of the polyester resin, and a glass transition temperature of between 40 and 70° C., comprising the step of reacting a polyester resin precursor with a chain extender which is different from the building blocks of the polyester precursor resin, optionally in the presence of a catalyst, at a temperature between 170 and 300° C. in a continuous reactor, wherein the polyester resin precursor comprises a functional group present as end group selected from hydroxyl or carboxyl, and optionally a functional group in the polyester resin precursor backbone selected from hydroxyl, carboxyl, amine, and carbonate, and the molar ratio of the functional group in the polyester resin precursor backbone to the functional group present as end group is at most 10:1. The invention further pertains to a polyester resin having a gel content of less than 0.Type: ApplicationFiled: December 13, 2005Publication date: June 15, 2006Applicant: AKZO NOBEL N.V.Inventors: Robin Winters, Siebe De Vos, Rudolf Venderbosch, Johannes Pardoen